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Nortel North American DMS-100, Instruction Manual

The Nortel North American DMS-100 is a cutting-edge telecommunications system. For clear instructions on how to maximize its features, our comprehensive Instruction Manual is available for download, free of charge. Access it conveniently at manualshive.com and unlock the full potential of your DMS-100.

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Trouble locating and clearing procedures (continued)  1-153

DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up

Replacing a cooling unit electronic module

CPC A0383326, A0383327, A0383984

 (end)

At the front of the cabinet

18

Determine if power for the cooling unit connects through a PDC or a CPDC.

At the front of PDC

19

To insert the cooling unit fuses, push the fuse cartridges straight into the front
panel of the PDC.

Go to step 21.

At the front of CPDC

20

Throw the circuit breakers for the cooling unit.

At the front of the cabinet

21

Determine if all the cooling unit fans work.

Note: If one or more of the cooling unit fans does not work, the fan failure
lamp turns ON.  The fan failure lamp is at the top of the cabinet between
the doors.

22

To reinstall the cooling unit cover, insert the mounting screws into the cover.

Note: Step 9 shows the location of the mounting screws.

23

Close the cabinet doors.

Go to step 25.

24

For additional help, contact the next level of support.

25

The procedure is complete.

If the power for the cooling unit

Do

connects through a PDC

step 19

connects through a CPDC

step 20

If

Do

all fans work

step 22

any fans do not work

step 24

Summary of Contents for North American DMS-100

Page 1: ...arks indicate that the baseline NTP remains unchanged and is valid for the current release Bookmark Color Legend Black Applies to new or modified content for the NA015 baseline NTP that is valid through the current release Red Applies to new or modified content for NA017 that is valid through the current release Blue Applies to new or modified content for NA018 SN05 DMS that is valid through the c...

Page 2: ...e 16 02 the following updates were made Volume 1 Section Clearing an SPM UR or a NA link state added for CR Q01007141 Volume 2 No changes May 2003 For the SN06 DMS release 16 01 updates were made to Volume 2 according to CR Q00569522 There were no changes to Volume 1 ...

Page 3: ...297 8021 544 DMS 100 Family North American DMS 100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Standard 14 02 May 2001 ...

Page 4: ......

Page 5: ... or in part from disclosure and dissemination to third parties with the same degree of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Information is subject to change without notice Nortel Networks reserves the right to...

Page 6: ......

Page 7: ... in disk drive unit NTFX32BA 1 82 Replacing an 8 in or a 5 25 in disk drive unit 1 94 Replacing a 14 in disk drive unit 1 111 Replacing a bulkhead gasket 1 130 Replacing a cooling unit assembly in a 42 in cabinet CPC A0377580 A0382102 A0383322 A0383323 1 133 Replacing a cooling unit electronic module CPC A0383326 A0383327 A0383984 1 144 Replacing a cooling unit fan CPC A0345301 1 154 Replacing a c...

Page 8: ... test 1 379 Setting up the signaling link marginal performance report 1 383 Softkey information does not download to the ADSI set 1 394 Test the DS 1 carrier states 1 402 Testing an SPM carrier 1 406 Testing an SPM CEM 1 412 Testing an SPM DSP RM 1 416 Testing an SPM OC3 interface module 1 420 TOPS IWS Operator complaint Clearing database access trouble 1 425 TOPS MP Operator complaint integrated ...

Page 9: ...eadset malfunction 1 540 TOPS MPX Power on self test 1 546 TOPS MPX Power on self test troubleshooting 1 551 TOPS MPX terminal system diagnostic TOPS MPX 1 558 TOPS MPX Token Ring LAN troubleshooting 1 580 Troubleshooting a customer reported failure No FRIU alarms 1 625 Troubleshooting a customer reported failure No PM alarms 1 631 Updating TOPS MPX software 1 638 VSLE session defaults to audio SL...

Page 10: ......

Page 11: ...ition Vol 1 1 1 Common procedures Vol 1 1 1 Action Vol 1 1 1 Activating a loopback on an HLIU Vol 1 1 2 Activating a loopback on an LIU7 Vol 1 1 9 Activating a loopback on an NTEX26AA paddle board Vol 1 1 16 Activating an offline linkset Vol 1 1 23 Activating the throttling logs mechanism Vol 1 1 30 Adding an LIM to an automatic REx test schedule Vol 1 1 36 Adding an NIU to an automatic REx test s...

Page 12: ... no ANI on coin line condition Vol 1 1 318 Correcting no response from a peripheral module Vol 1 1 324 Correcting PCM level meter card problems Vol 1 1 329 Correcting poor line transmission or reception Vol 1 1 335 Correcting receive level problems on T1 trunks Vol 1 1 340 Correcting release mismatch problems Vol 1 1 346 Correcting a ringing pretrip problem Vol 1 1 364 Correcting a stuck test acce...

Page 13: ...e Vol 1 1 571 E911 LDT PSAP Operator Complaint Ringing not being applied to PSAP position Vol 1 1 580 E911 Line and ACD PSAP complaint ANI failure or ALI failure Vol 1 1 587 Establishing a DS 1 loopback for a far end office ISDN PRI primary and backup D channels Vol 1 1 594 Establishing a DS 1 PCM30 loopback for a far end office ISDN PRI single D channel Vol 1 1 600 Estimating signaling link occup...

Page 14: ...nd clearing procedures continued Vol 2 1 1 Recovering a stuck HLIU or HSLR Vol 2 1 2 Recovering a stuck two slot LIU7 Vol 2 1 10 Removing an MP position from service integrated Vol 2 1 18 Removing an MP position from service standalone Vol 2 1 22 Removing a TOPS MPX terminal from service TOPS MPX Vol 2 1 28 Repairing FAN faults on an LCEI frame cooling unit replacement Vol 2 1 36 Repairing an NTBX...

Page 15: ...k Vol 2 1 287 Returning a card or assembly in Canada Vol 2 1 292 Returning a card or assembly in Germany Vol 2 1 296 Returning a card or assembly in Japan Vol 2 1 299 Returning a card or assembly in the United States of America Vol 2 1 303 Returning an LIM to service Vol 2 1 307 Running a C7BERT Vol 2 1 311 Running a C7BERT for high speed links Vol 2 1 343 Saving key screen status messages command...

Page 16: ...r complaint standalone integrated Clearing ORDB ac cess trouble Vol 2 1 522 TOPS MP TAMI trouble integrated Clearing TAMI response failure Vol 2 1 531 TOPS MP TAMI trouble standalone Clearing TAMI response failure Vol 2 1 534 TOPS MPX Operator complaint audio headset malfunction Vol 2 1 540 TOPS MPX Power on self test Vol 2 1 546 TOPS MPX Power on self test troubleshooting Vol 2 1 551 TOPS MPX ter...

Page 17: ...f 2 LET0015 and up 1 1 1 Trouble locating and clearing procedures continued The following chapter is a continuation of the trouble locating and clearing procedures For general information on the trouble locating and clearing procedures refer to the introduction in Volume 1 ...

Page 18: ...h speed link interface unit HLIU or a high speed link router HSLR Definition An HLIU or HSLR is stuck when both F bus taps of the individual HLIU or HSLR are not accessible NA Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure ...

Page 19: ...y of Recovering a stuck HLIU or HSLR This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Post LIM associated with stuck HLIU or HSLR Manually busy F bus taps associated with stuck HLIU or HSLR Return F bus taps to service Reseat cards Reload HLIU or HSLR End Contact next level of support Passed Passed Y Y N N 1 1 1 ...

Page 20: ...play the next system busy HLIU or HSLR by typing NEXT and pressing the Enter key 4 Repeat step 3 until you find the system busy not accessible NA HLIU or HSLR 5 Determine the LIM associated with the stuck HLIU or HSLR by typing QUERYPM and pressing the Enter key Example of a MAP response QueryPM PM type HLIU PM NO 0 Status SysB LIM 0 Shelf 1 Slot 8 LIU FTA 4240 1000 Default Load HCA11AV Running Lo...

Page 21: ... 16 7 Post the LIS associated with the stuck HLIU or HSLR by typing POST LIS lis_no and pressing the Enter key where lis_no is the number of the shelf 1 to 3 8 Determine which F bus taps are associated with the stuck HLIU or HSLR by typing TRNSL fbus_no and pressing the Enter key where fbus_no is the number of the FBus 0 or 1 Example of a MAP response for HLIU 9 Manually busy the F bus taps associ...

Page 22: ...er of the F bus tap 0 to 11 Perform this step for both F bus taps associated with the stuck HLIU or HSLR Example of a MAP response 11 Access the PM level of the MAP display by typing PM and pressing the Enter key 12 Post the stuck HLIU or HSLR by typing POST HLIU liu_no and pressing the Enter key or POST HSLR liu_no and pressing the Enter key where liu_no is the number of the stuck HLIU or HSLR 0 ...

Page 23: ...the stuck HLIU or HSLR At the ELPP 16 Locate the NTEX22 card belonging to the stuck HLIU or HSLR 17 Carefully pull the card 25 mm 1 in toward you 18 Leave the NTEX22 sitting in its slot on the link interface shelf LIS WARNING Static electricity damage Wear a wrist strap connected to the wrist strap grounding point of a frame supervisory panel FSP while handling cards This method protects the cards...

Page 24: ... for the NTEX76 card belonging to the stuck HLIU If you have already unseated the NTEX76 card go to step 21 21 Carefully slide the NTEX22 card back into the LIS 22 Seat and lock the card as follows a Using your fingers or thumbs push on the upper and lower edges of the faceplate to ensure that the card is in the shelf b Close the locking levers If the PM is an Do HLIU step 20 HSLR step 21 ...

Page 25: ...have already reseated both cards go to step 25 At the MAP terminal 25 Reload the HLIU or HSLR by typing LOADPM and pressing the Enter key 26 Return the HLIU or HSLR to service by typing RTS and pressing the Enter key 27 For further assistance contact the personnel responsible for the next level of support 28 You have completed this procedure If the PM is an Do HLIU step 24 HSLR step 25 If the LOAD...

Page 26: ...r a stuck CCS7 link interface unit LIU7 This procedure applies only to two slot LIU7s Definition An LIU7 is stuck when both of its F bus taps are not accessible NA Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure ...

Page 27: ...ntinued Summary of Recovering a stuck two slot LIU7 This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Post LIM associated with stuck LIU7 Manually busy F bus taps associated with stuck LIU7 Return F bus taps to service Reseat cards Reload LIU7 End Contact next level of support Passed Passed Y Y N N 1 1 ...

Page 28: ...T and pressing the Enter key 4 Repeat step 3 to find the system busy not accessible LIU7 5 Determine the location of the LIU7 6 Determine the LIM associated with the stuck LIU7 by typing QUERYPM and pressing the Enter key 7 Post the LIM associated with the stuck LIU7 by typing POST LIM lim_no and pressing the Enter key where lim_no is the number of the LIM 0 or 1 8 Access the F bus level of the MA...

Page 29: ... by typing BSY FBUS fbus_no tap_no and pressing the Enter key where fbus_no is the number of the F bus 0 or 1 tap_no is the number of the F bus tap 0 to 35 Perform this step for both F bus taps associated with the stuck LIU7 11 Return the F bus taps associated with the stuck LIU7 to service by typing RTS FBUS fbus_no tap_no and pressing the Enter key where fbus_no is the number of the F bus 0 or 1...

Page 30: ...sy the LIU7 by typing BSY and pressing the Enter key 15 Confirm the command by typing YES and pressing the Enter key 16 Prepare to unseat and reseat the cards that belong to the stuck LIU7 At the LPP 17 Locate the NTEX22 card that belongs to the stuck LIU7 If the RTS command Do passed step 27 failed step 12 WARNING Static electricity damage Wear a wrist strap connected to the wrist strap grounding...

Page 31: ...ume 2 of 2 LET0015 and up Recovering a stuck two slot LIU7 continued 18 Carefully pull the card 25 mm 1 in toward you 19 Leave the NTEX22 sitting in its slot on the link interface shelf LIS 20 Repeat steps 17 18 and 19 for the NT9X76 card that belongs to the stuck LIU7 21 Carefully slide the NTEX22 card back into the LIS ...

Page 32: ...llows a Using your fingers or thumbs push on the upper and lower edges of the faceplate to ensure that the card is in the shelf b Close the locking levers 23 Repeat steps 21 and 22 for the NT9X76 card that belongs to the stuck LIU7 At the MAP terminal 24 Reload the LIU7 by typing LOADPM and pressing the Enter key If the LOADPM command Do passed step 25 failed step 26 ...

Page 33: ...s Volume 2 of 2 LET0015 and up Recovering a stuck two slot LIU7 end 25 Return the LIU7 to service by typing RTS and pressing the Enter key 26 For further assistance contact the personnel responsible for the next level of support 27 You have completed this procedure If the RTS command Do passed step 27 failed step 26 ...

Page 34: ...rator Position System TOPS Multipurpose MP positions from service Action This procedure contains a flowchart and a list of steps The flowchart provides an overview of the procedure Follow the list of steps to perform this procedure Summary of removing an MP position from service integrated End procedure POST relevant MP position Access MP level of MAP BSYed all relevant MP positions N Y BSY MP pos...

Page 35: ...ss the MP level type MAPCI MTC PM and press the Enter key POST TPC x MP and press the Enter key where x is the TOPS position controller TPC number 2 To post the relevant MP position type POST P n and press the Enter key where n is the MP position number 0 1 2 or 3 ATTENTION Continue if a step in a maintenance procedure directs you to this procedure If you use this procedure without direction from ...

Page 36: ...TPC 0 0 0 0 0 4 3 4 TPC 0 InSv 5 Trnsl 6 Tst Status VTB SB MB PMB RES RTRN INB 7 Bsy MP 0 0 1 0 5 0 2 8 RTS 9 POS 201 TPC 0 MP 1 RES 10 Size of Post set 1 11 Disp_ 12 Next 13 FRls 14 QueryMP 15 16 17 18 MP position number and status CM MS IOD Net PM CCS LNS Trks Ext EIO MP SysB ManB OffL CBsy ISTb InSv 0 Quit PM 0 0 10 0 0 130 2 Post TPC 0 0 0 0 0 4 3 4 TPC 0 InSv 5 Trnsl 6 Tst Status VTB SB MB PM...

Page 37: ... and up Removing an MP position from service integrated end 4 Determine if all relevant MP positions are removed from service 5 This procedure is complete Return to the main procedure that directed you to this procedure Continue as directed If all relevant MP positions Do are removed from service step 5 are not removed from service step 2 ...

Page 38: ...ion from service standalone Application Use this procedure to remove a standalone Traffic Operator Position System TOPS Multipurpose MP from service Action This procedure contains a flowchart and a list of steps The flowchart provides an overview of the procedure Follow the list of steps to perform this procedure ...

Page 39: ...an MP position from service standalone continued Summary of Removing an MP position from service standalone Access TTP level of MAP BSY posted trunk BSY relevant MP position End procedure N Enter the NEXT command Y Enter Position Status Control menu of TAMI All MP positions removed from service BSYed all relevant trunks POST relevant MP position trunk N Y ...

Page 40: ...ss the Enter key where n is the MP position number 0 1 2 or 3 ATTENTION Continue if a step in the mainenance procedure directs you to this procedure If you use this procedure without direction from a maintenance procedure equipment damage or service interruption can occur CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 16 3 Seize_ CKT TYPE PM NO COM LANG STA S R D...

Page 41: ...the MAP 5 To post the next trunk type NEXT and press the Enter key Return to step 3 At the TAMI 6 To access the Position Status Control menu from the TAMI main menu type 3 and press the Enter key If all relevant trunks Do are busy step 6 are not busy step 5 CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST 14 DELQ BUSYQ DIG 2 Post_ TTP 6 024 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RES...

Page 42: ... position use the following procedure a Enter 1 and press the Enter key where 1 is busy b Enter n and press the Enter key where n is the MP position number 0 1 2 or 3 c Enter Y and press the Enter key where y is yes the position is busied at the MAP POSITION STATUS CONTROL 1 Bsy 2 RTS 3 OffL 4 RTS ALL POSITIONS POSITION NUMBER STATUS CARD PRESENT 0 InSv YES 1 InSv YES 2 InSv YES 3 InSv YES MAKE CH...

Page 43: ...from service standalone end 8 Determine if all relevant positions are removed from service from the TAMI 9 To return to the TAMI main menu press the PF3 key 10 This procedure is complete Return to the main procedure that directed you to this procedure Continue as directed If all relevant MP positions Do are removed from service step 9 are not removed from service step 7 ...

Page 44: ...001 Removing a TOPS MPX terminal from service TOPS MPX Application Use this procedure to remove a TOPS MPX terminal from service Action The following flowchart provides a summary of the procedure To perform this procedure use the instructions in the list of steps that follows the flowchart ...

Page 45: ...ving a TOPS MPX terminal from service Post the TOPS MPX terminals at the TPC level of the MAP Busy the TOPS MPX terminals at the TPC level of the MAP Post the TOPS MPX voice trunks at the TTP level of the MAP End of procedure Busy the TOPS MPX voice trunks at the TTP level of the MAP type 3 Y End of procedure Busy associated ISG at the TPC level of the MAP Busy associated data link at the TPC leve...

Page 46: ...f a MAP display 2 To post the TOPS MPX from the MAP type POST P n CAUTION Potential risk to service When you prepare a TOPS MPX for a test make sure that the user logged out The terminal is not in service Busy the TOPS MPX position from the MAP before you remove the TOPS MPX CM MS IOD Net PM CCS LNS Trks Ext APPL MP 0 Quit 2 Post_ 3 4 5 Trnsl 6 Tst_ 7 Bsy_ 8 RTS_ 9 10 11 Disp_ 12 Next 13 Frls 14 Q...

Page 47: ... with the type 2 position at the TPC level type PM POST TPC n and press the Enter key where If position busy in step Do is a redundant VPC type 2 step 5 Examine the status dis play line to view the associated TPC Note the TPC is a type 1 or 3 position step 9 is a VPC that is not redundant type 2 busy the TOPS MPX positions that remain in the clus ter step 2 is last TOPS MPX position to busy in a c...

Page 48: ...Note In the example below MP0 Primary VPCs is the top line of data information and MP1 Secondary VPCs is the second line of data information CM MS IOD Net PM CCS Lns Trks Ext APPL TPC SysB ManB OffL CBsy ISTb InSv 0 Quit PM 0 0 6 0 0 35 2 Post_ TPC 0 0 1 0 0 1 3 4 TPC 0 InSv 5 Trnsl 6 Tst QueryPM 7 Bsy TPC Load File 0 8 RTS PM Type TPC Int No 0 Node_No 132 9 Offl Site Flr RPos Bay_id Shf Descripti...

Page 49: ...Example of a MAP response For VPC that is not redundant CM MS IOD Net PM CCS Lns Trks Ext APPL TPC SysB ManB OffL CBsy ISTb InSv 0 Quit PM 0 0 6 0 0 35 2 Post_ TPC 0 0 1 0 0 1 3 4 TPC 0 InSv 5 Trnsl 6 Tst Trnsl 7 Bsy TMS 0 0 5 data ISG 2 5 8 RTS TMS 0 0 6 data ISG 3 5 9 Offl TMS 0 0 1 voice TOPSPOS 6 MP state RES VT state RES 10 TMS 0 0 2 voice TOPSPOS 7 MP state MB VT state RES 11 Disp_ TMS 0 0 3...

Page 50: ...n is number of position 11 To busy the selected TOPS MPX voice trunk from the MAP type the following BSY Operator services may be affected Please confirm Y or No CM MS IOD Net PM CCS Lns Trks Ext APPL TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 007 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RESULT 4 5 Bsy_ 6 RTS_ TRKS 7 Tst_ TTP ID IS 6 007 8 NOCKT SET IS EMPTY 9 CktInfo TTP 10 CktLoc 11 Ho...

Page 51: ...PX terminal from service TOPS MPX end and press the Enter key Example of a MAP response BSY state changed If the position is not out of service at the MP MAP level the following message appears Request Invalid Associated MP must be out of service 12 This procedure is complete Complete off line maintenance and refer to common procedure Replacing a TOPS MPX terminal ...

Page 52: ...CEI frame The LCEI frame has enhanced line concentrating module LCME or ISDN line concentrating module LCMI modules A FAN FAIL fault in an LCEI frame results from one of the following a dirty filter a blown fuse in the front panel of the cooling unit a cooling unit has faults Definition The FAN FAIL alarm highlights problems in the frame cooling system Common procedures There are no common procedu...

Page 53: ...mmary of Repairing FAN FAIL faults on an LCEI frame This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Start Dirty filter End Contact next level of support Y N Turn power off Replace filter Remove cooling unit Is FAN FAIL lamp out Blown fuses Y Replace cooling unit Replace fuses N Y Is FAN FAIL lamp out N N Y Is lamp out N Y Repair in f...

Page 54: ...ary of Repairing FAN FAIL faults on an LCEI frame continued This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure End Replace cooling unit Is lamp out N Y from previous page Failed fans Replace fan s Is lamp out Damaged sensors Replace repair sensor s N Y N Y Y Y Is lamp out Refer to next level of support N N 1 ...

Page 55: ...Determine if the FAN FAIL lamp turned off when you removed the filter Note If the FAN FAIL lamp turns off when you remove the filter replacement of the filter is necessary 5 Slide a replacement filter and faceplate assembly NTBX6012 into the frame Secure the filter and faceplate in position 6 Go to step 52 7 Replace the filter and faceplate assembly into the bottom of the frame 8 DANGER Next level...

Page 56: ...lamps At the front of the frame 10 To remove the two side trims on the LCE frame remove the top and bottom screws that secure the trim 11 Remove the four 5 16 inch bolts that secure the cooling unit brackets two per side Ensure that you remove the two center bolts from each side At the back of the frame 12 Remove the three mounting screws from the back center of the cooling unit WARNING Incorrect ...

Page 57: ...w sensors on the fans If this fault occurs you can repair the cooling unit without the removal of the unit from the frame If the fault lies with the two back fans or sensors you must remove the cooling unit You must remove the unit because the back fans and sensors are not available while the unit is in the frame Refer to your company procedures to see if you can attempt repairs Your company proce...

Page 58: ...edures can direct you to repair the damaged cooling unit in house Refer to procedure Repairing a NTBX63AA cooling unit in this document 22 Push the replacement cooling unit into the frame At the back of the frame 23 Replace the three mounting screws at the back center of the cooling unit removed in step 12 Secure the screws in position you do not want to repair the cooling unit while the unit is i...

Page 59: ...g unit 0 or 1 removed in step 18 At the front of the frame 27 At the front of the cooling unit reinstall the five 0 5 amp fan fuses numbered 1 through 5 removed in step 17 28 Check the FAN FAIL lamp on the front panel of the cooling unit 29 Reinstall the side trim and secure with the top and bottom screws removed in step 10 30 Go to step 52 At the front of the frame 31 Pull the cooling unit part w...

Page 60: ...e fan 36 Remove the four screws that secure the fan and the screw that secures the sensor switch 37 Mount the new fan Position the fan so that air flows toward the top as the fan label indicates 38 Replace the sensor switch Secure the switch with the mounting screw 39 Connect the power supply to the new fan 40 Replace the fuse that you removed in step 33 41 If necessary repeat steps 33 to 40 for o...

Page 61: ...rom the frame and replace the unit with a new unit If your company procedures direct you to repair damaged units in house refer to Repairing a NTBX63AA cooling unit in this document 46 Contact the next level of support 47 Go to step 52 48 Push the cooling unit back into the frame At the back of the frame 49 Replace the three mounting screws at the back center of the cooling unit removed in step 12...

Page 62: ...air the unit while the unit remains in the frame Check the air flow sensors on the front three fans while the unit remains in the frame A fault in a NTBX63AA cooling unit results from one of the following a loose or broken wiring harness a fan motor has faults a switch of the air flow sensor has faults Definition The cooling unit provides forced air to cool the cards in the line card drawer Common...

Page 63: ...nued Summary of Repairing an NTBX63AA cooling unit on the bench top This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Start Defective harness End Y N Turn power off Repair wiring harness Remove cooling unit Y Defective fan Y Replace fans Defective air flow sensor Replace air flow sensor Y N N No de fect found N Contact next level of su...

Page 64: ...t the fan operation 5 Inspect the unit wiring harness for damage or loose switch connections ATTENTION The cooling unit configuration in the frame can differ from the following description If you encounter an important difference contact your next level of support WARNING Incorrect fuse values Always use replacement fuses of the correct rating or damage to the equipment can result WARNING Temporar...

Page 65: ...d on the label 16 Replace the sensor switch of the last installation Secure the sensor with the mounting screw 17 Reconnect the power supply to the new fan 18 If necessary repeat steps 12 to 17 for other fans that havew faults 19 Turn ON the power switch on the unit 20 Inspect the fan operation 21 Inspect the sensor sails and adjust or replace any sails that appear to have faults 22 Disconnect the...

Page 66: ...sor switches 28 Disconnect power to the unit 29 Locate any sensor switch or switches that has faults as determined in steps 24 to 27 Note the position of the switch or switches 30 Remove the sensor switch that has faults from the switch bracket 31 Attach the replacement sensor switch to the switch bracket Secure the sensor in position with screws nuts and washers 32 Reconnect the wiring to the sen...

Page 67: ...up Repairing an NTBX63AA cooling unit on the bench top end 34 Contact the next level of support 35 Disconnect the power supply from the cooling unit and store the unit for future use 36 The procedure is complete If you Do found no problems with the unit or that repair to the unit was not possible step 34 found and repaired the problems step 35 ...

Page 68: ...T3X90AA cooling unit results from one of the following a dirty filter a loose or broken wiring harness a blown fuse for inverter on PDC frame an inverter has faults an air flow sensor switch has faults a fan motor has faults Definition The cooling unit provides forced air to cool the equipment and cards in the frames Common procedures There are no common procedures Action This procedure contains a...

Page 69: ... Start Dirty filter Clean or replace filter Two affected frames Repair unit on premises N Replace cooling unit Replace inverter Y N N Repair harness or replace fan This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Harness or fan has faults Air flow sensor has faults Replace air flow sensor N Y Y N End Next level of support Y Y FAN FAIL...

Page 70: ...from the front of the affected cooling unit 4 Determine if the FAN FAIL lamp darkened on the Frame Supervisory Panel FSP when you removed the filter 5 Remove the filter and intake grill to a location away from the switchroom To clean the fan air intake use a dust cloth and vacuum 6 Vacuum or wash the filter in soap and water according to the filter type 7 Replace the filter in the grill and reinst...

Page 71: ...ame 10 Remove the eight screws that secure the brackets to the sides of the cooling unit To remove the screws use a 5 16 inch ratchet and extension 11 Ease the cooling unit toward you until it is half way out of the frame 12 Inspect the fans in the cooling unit Note any fans that do not work do not direct you to do repairs step 71 WARNING Loss of frame cooling Removal of the cooling unit for an ex...

Page 72: ...ections or a fan that requires replacement Note 2 The operation of all fans with a lit FAN FAIL lamp indicates a air flow sensor that has faults 13 Inspect the wiring harness for the cooling unit Look for damage and or a loose connection at the fans or terminal blocks If Do fans work correctly but FAN FAIL lamp remains on step 33 one fan does not work step 13 other than listed above step 85 Air fl...

Page 73: ...ame 14 Unplug the connector at the back of the unit At the cooling unit 15 A harness requires replacement Tighten any loose connections At the back of the frame 16 Reconnect the connector at the back of the unit At the front of the cooling unit 17 Inspect the fan operation If the fan Do works correctly but did not work in step 12 step 62 did not work correctly and did not work in step 12 step 18 T...

Page 74: ...he power cord 27 Mount the new fan Ensure that you install the fan to allow air to flow toward the top as indicated on the label Secure with screws spacers nuts and washers 28 Secure the power cord to the fan with new tie wraps 29 Reinstall the wiring to the sensor switch as noted in step 19 30 Reinstall the sensor switch to the switch bracket Secure the sensor in position with screws nuts and was...

Page 75: ...o the switch bracket Secure the switch in position with screws nuts and washers 37 Reconnect the wiring to the sensor switch as noted in step 34 38 Repeat steps 34 to 37 to check all sensor switches At the PDC frame 39 Remove the fuses that power the inverters 40 Do you have a blown fuse did not remain on when you dis connected the wiring to the air flow sensor step 35 If the FAN FAIL lamp Do is o...

Page 76: ...le the toggle switches on both inverters to find the inverter that powers the rows of fans that do not work Note Each inverter powers the row of three fans The front of the cooling unit houses the row of fans Each inverter also powers the row of two fans at the back of the paired unit 48 Identify the cooling unit with the inverter that powers the fans that do not operate Replace this cooling unit ...

Page 77: ...he PDC frame 57 Check the fuse to the inverter A blown fuse requires a replacement Replace the fuse in the PDC At the frame 58 Turn ON the toggle switch of the new inverter 59 Install the air intake grill and filter assembly at the front of the cooling unit At the FSP 60 Turn OFF the FAN FAIL OVERRIDE switch or switches 61 Go to step 86 62 Ease the cooling unit back completely into the frame 63 In...

Page 78: ...ou and out of the frame 76 Ease the replacement cooling unit into the frame 77 Insert the eight screws that secure the brackets to the sides of the cooling unit To insert the Use a 5 16 inch ratchet and extension 78 Reinstall the side rail on the front of the frame At the back of the cooling unit 79 Reconnect the plug that connects the wiring to the cooling unit At the PDC frame 80 Reinstall the f...

Page 79: ...s continued 1 63 DMS 100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Repairing and replacing NT3X90AA cooling units end For additional help contact the next level of support 86 The procedure is complete ...

Page 80: ...a NT3X90AB cooling unit results from one of the following a dirty filter a loose or broken wiring harness a blown fuse for inverter on PDC frame a inverter has faults a air flow sensor switch has faults a fan motor has faults Definition The cooling unit provides forced air to cool the equipment and cards in the frames Common procedures There are no common procedures Action This procedure contains ...

Page 81: ...chart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Start Dirty filter Air flow sensor that has faults Y N N Y Clean or replace filter Replace air flow sensor Replace fan or harness End Replace inverter Replace fuse FAN FAIL lamp out Y Blown fuse N Y Y Repair unit on premises Y Replace cooling unit Next level of support FAN FAIL lamp out N Y Y N ...

Page 82: ...location away from the switchroom Use a dust cloth and vacuum to clean the fan air intake 5 Vacuum or wash the filter in soap and water according to the filter type 6 Replace the filter in the grill and reinstall the filter in the cooling unit 7 Turn OFF the FAN FAIL OVERRIDE switch 8 Go to step 79 At the PDC frame 9 Remove the fuses that power the inverters DANGER Next level of support The coolin...

Page 83: ...OVERRIDE switch Go to step 79 At the front of the frame 14 Remove the screws that secure the side rail covers to the frame 15 Remove the eight screws that secure the brackets to the sides of the cooling unit To remove the screws use a 5 16 inch ratchet and extension If Do yes step 11 no step13 WARNING Incorrect fuse values Use replacement fuses of the correct rating or damage to the equipment can ...

Page 84: ...iring and replacing NT3X90AB cooling units continued 16 Ease the cooling unit toward you until it is half way out of the frame WARNING Loss of frame cooling Removal of the cooling unit for an extended period of time can cause the equipment in the frame to overheat Sensor switch for the air flow Fan ...

Page 85: ... on the PDC frame for the inverter that has faults Note 2 One fan that does not operate indicates a damaged wiring harness loose connections or a fan that requires replacement Note 3 All fans that operate normally with a lit FAN FAIL lamp indicate a air flow sensor that has faults 18 Locate the toggle switches at the back right corner of each inverter card Note The toggle switches are the ON OFF p...

Page 86: ...5 Mount the new inverter on the four plastic mounting pins 26 Plug the connector into the back left corner of the inverter At the PDC frame 27 Examine the fuse to the inverter If the fuse is a blown fuse obtain a new fuse Replace the fuse in the PDC At the frame 28 Turn ON the toggle switch of the new inverter 29 To turn OFF the inverters use the toggle switches at the back right corner of the inv...

Page 87: ...cooling unit 40 Disconnect the power cord at the fan terminals 41 Remove the fan 42 Plug a new fan into the power cord 43 Mount the new fan Install the fan so that air flows toward the top as indicated on the label Secure the fan with screws spacers nuts and washers 44 Use new tie wraps to secure the power cord to the fan 45 Reconnect the wiring to the sensor switch as noted in step 35 46 Attach t...

Page 88: ...56 Insert the eight screws that secure the brackets to the sides of the cooling unit To insert the screws use a 5 16 inch ratchet and extension 57 Reinstall the side rail on the front of the frame 58 Locate the toggle switch near the back right corner of each inverter card 59 If the switches worked during this procedure turn back ON the switches At the PDC frame 60 Inspect the fuses that power the...

Page 89: ...o the sides of the cooling unit To secure the brackets use a 5 16 inch ratchet and extension 71 Reinstall the side rail on the front of the frame At the back of the cooling unit 72 Reconnect the plug that connects the wiring to the cooling unit At the PDC frame 73 Insert the fuses that power the inverter cards At the front of the cooling unit 74 Locate the toggle switches near the back right corne...

Page 90: ...TE DSNE MS6E MS7E ST6E and ST7E RCE and RCEI CPEI A problem in a NT3X90AF cooling unit results from one of the following a loose or broken wiring harness a blown fuse in the front panel of the cooling unit a fan motor has faults Definition The cooling unit provides forced air to cool the equipment and cards in the frames Common procedures There are no common procedures Action This procedure contai...

Page 91: ...ing NT3X90AF cooling units This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Start Repair harness or connections Harness has faults End Contact next level of support N Y Y Fan has faults Replace cooling unit Replace fan N N Blown fuse Y Replace fuse FAN FAIL lamp out Repair unit N N FAN FAIL lamp out Y N Y Y ...

Page 92: ...g NT3X90AF cooling units At the FSP 1 To silence the alarm turn ON the FAN FAIL OVERRIDE switch At the frame 2 Remove the air intake grill and filter assembly from the front of the cooling unit DANGER Next level of support The cooling unit configuration in the frame can differ from the following description If you encounter an important difference contact your next level of support Fuses Wiring ha...

Page 93: ... the lugs that connect the frame wiring to the cooling unit At the front of the cooling unit 11 Remove the screws that secure the side rail covers to the frame 12 Remove the eight screws that secure the mounting flanges on the sides of the cooling unit to the frame To remove the screws use a 5 16 inch ratchet and extension 13 Ease the cooling unit toward you and out of the frame 14 Ease the replac...

Page 94: ...ws that secure the side rail covers to the frame 22 Remove the eight screws that secure the mounting flanges on the sides of the cooling unit to the frame To remove the screws use a 5 16 inch ratchet and extension 23 Ease the cooling unit toward you until the unit is half way out of the frame 24 Inspect the fans in the cooling unit and determine how many fans work Note The failure of one or more f...

Page 95: ...oward the top as indicated on the label Secure the new fan with screws spacers nuts and washers 35 Use the new tie wraps to secure the power cord to the fan 36 Inspect the fan operation 37 Ease the cooling unit completely into into the frame 38 Install the eight screws that secure the mounting flanges on the sides of the cooling unit to the frame To insert the screws use a 5 16 inch ratchet and ex...

Page 96: ...90AF cooling units end 43 For additional help contact the next level of support 44 The procedure is complete WARNING Loss of frame cooling Do not leave a cooling unit that has faults in the frame If you cannot repair the bad cooling unit immediately replace it with a unit that operates correctly Go to step 15 and follow the necessary parts of the procedure ...

Page 97: ...on The DDU is a data storage device on the storage media card NTFX32AA in the input output module IOM The integrated services module ISM shelf contains the IOM Replace any DDU that has a fault Do not copy files from a DDU that has a fault backup files are available on the parallel device Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list ...

Page 98: ... a 3 5 in disk drive unit NTFX32BA This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Post the controller port Take the DDU off line Remove the DDU Install the replacement DDU Perform file transfer tests Delete test volumes Create working volumes Start the disk drive Return DDU to service Create test volumes Test the r...

Page 99: ...IOD level of the MAP display type MAPCI MTC IOD and press Enter Example of a MAP display 2 To post the input output module IOM controller for the replaced DDU type IOC ioc_no and press Enter where ioc_no is the number of the affected IOM Example of a IOM MAP display CAUTION Loss of service Disk allocation is difficult and dangerous errors are possible Contact the next level of support before you p...

Page 100: ...Determine the state of the DDU Note The state of the disk drive is under the Drive_State header on the MAP display 6 To determine if open files exist on the DDU type ALLOC and press Enter Example of a MAP display If the DDU is in Do an allocated state step 6 other than listed here step 38 If open files Do are present step 37 Port 16 Unit 0 SCSI User system Drive_State Status Ready On_line VOLID VO...

Page 101: ... that there will be an interruption of service for the device Wait until all users stop use of the device before you proceed to the next step 11 To manually busy the DDU type BSY and press Enter Example of a MAP display 12 To manually stop the DDU type STOP are not present step 7 If the test Do passes step 32 fails step 9 If the BSY command Do passed step 12 failed step 38 If open files Do Process...

Page 102: ... press Enter Example of a MAP display Note When the DDU spins down proceed to step 13 The status code appears under the Drive_State on the MAP display 13 To take the DDU off line type OFFL and press Enter At the ISM shelf 14 Locate the NTFX32BA DDU that has a fault in the IOM storage media card NTFX32AA in slot 4 of the ISM shelf If the STOP command Do passed step 13 failed step 38 Disk stop succe...

Page 103: ...edures to replace the media card NTFX32 16 Unscrew the spring loaded lock mechanism on the faceplate of the disk carrier The disk carrier electrically connects the DDU to the media card If the LED Do is lit step16 is not lit step15 WARNING Static electricity damage To handle the DDU wear a wrist strap that connects to the wrist strap grounding point on the modular supervisory panel MSP The wrist s...

Page 104: ...f 2 LET0015 and up Replacing a 3 5 in disk drive unit NTFX32BA continued After the drive disconnects the red LED will be ON and the green LED will be OFF Note Unscrew the lock mechanism to its complete limit before you use the ejector to remove the unit 17 Pull down on the ejector to push the DDU carrier away from the media card ...

Page 105: ...e connector at the end of the unit will plug into the receptacle on the card Reconnect the DDU electrically with the media card Turn the spring loaded lock mechanism to the right to make the connection between the new DDU and the media card After the drive connects the green LED will be ON and the red LED will remain OFF WARNING Ejector arm damage Ensure that the ejector arm is flat and in the up ...

Page 106: ...rform volume allocation tests follow the procedure Allocating test volumes on 8 in 5 25 in or 3 5 in DDUs in Routine Maintenance Procedures When the procedure is complete return to this point 24 To perform interference and file transfer tests follow the procedure Performing DDU interference and file transfer tests in Routine Maintenance Procedures When the procedure is complete return to this poin...

Page 107: ...ume size in step 7 29 Repeat step 28 for each disk volume that remains 30 To enforce the allocation of the volumes type UPDATE and press Enter Example of a MAP response 31 To quit the allocation utility type QUIT and press Enter 32 To post the IOM controller port for the DDU type MAPCI MTC IOD IOC ioc_no PORT port_no WARNING A break HX of this process may cause severe corruption on the disk that m...

Page 108: ...he following information in your office records the date of replacement of the damaged DDU the serial number of the damaged DDU the indications that prompted the DDU replacement 36 A major or minor alarm can rise under the IOD header of the MAP display at the start of this procedure Determine if the alarm cleared 37 You cannot busy the IOM controller card when files are open If you busy the card l...

Page 109: ...t before you start this procedure Definition The DDU is a data storage device on the DMS 100 switch Replace a DDU when faults occur and the device cannot record Do not copy the files from a DDU that has a fault Backup files are available on the parallel device Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart a...

Page 110: ...e Use the instructions in the procedure that follows this flowchart to perform the procedure Busy controller and take the DDU off line Power down and disconnect the DDU Remove the DDU Set DIP switches on new DDU if necessary Install the replacement DDU Delete test volumes Connect the replacement DDU Start the disk drive Test the replacement DDU Create test volumes Perform file transfer tests Power...

Page 111: ...vel of the MAP display type MAPCI MTC IOD and press Enter Example of a MAP display 3 To post the IOC for the replaced DDU type IOC ioc_no and press Enter where ioc_no is the number of the input output controller IOC that holds the controller card for the DDU 0 to 9 Example of a MAP display 4 To post the controller card for the DDU type CARD card_no and press Enter CAUTION Loss of service Disk allo...

Page 112: ...e of the disk drive on the MAP display 7 To determine if any files are open on the DDU type ALLOC and press Enter Example of a MAP response VOLID VOL_NAME SERIAL_NO BLOCKS ADDR TYPE R O FILES_OPEN 0 IMAGE 2800 45000 D000 0 NO 0 1 XPMLOADs 2801 35000 D000 0 NO 0 2 RTMLOADS 2802 20000 D000 0 NO 0 7 SMDR 2807 5000 D000 0 NO 0 8 AMA1 2808 5000 D000 0 NO 0 9 TST 2809 50 D000 0 NO 0 10 AMA2 280A 500 D00...

Page 113: ... DDU manually type STOP and press Enter Note Wait until the DDU spins down before you proceed to step 13 The status code spun_down appears under the Drive_State header on the MAP display 13 To off line the disk drive type OFFL and press Enter If the BSY command Do passed step 12 failed step 67 If the STOP command Do passed step 13 failed step 68 Process may take up to 3 minutes Failed Drive is dis...

Page 114: ...indicates that the power is OFF 16 Remove the four mounting screws to remove the panel in front of the DDU 17 The next action depends on the mounting configuration for the DDU At the back of the DDU shelf 18 Disconnect the power cable from the back of the DDU WARNING Static electricity damage To handle the DDU wear a wrist strap that connects to a grounding point Grounding points are on the frame ...

Page 115: ...the DDU end of the ribbon cable Refer to the diagram in step 18 20 Carefully slide the DDU from the frame until the spring clip on the upper slider causes the DDU to stop Power cable Ribbon cable WARNING Equipment damage Retaining clips holds the ribbon cable in place and the cable disconnects when the clips release Do not pull on the cable to disconnect it because you might rip the connector sock...

Page 116: ... Volume 2 of 2 LET0015 and up Replacing an 8 in or a 5 25 in disk drive unit continued 21 Determine if Allen screws are present 22 Remove Allen screws with an Allen wrench 23 Press the spring clip and pull the DDU free of the frame Upper slider Spring clip If Allen screws Do are present step 22 are not present step 23 ...

Page 117: ...eturn equipment refer to the correct procedure in this document 26 Remove the replacement DDU from the box Place the DDU on its front end on a flat surface 27 The replacement DDU can have dip switches Ensure that you set the dip switches to the same settings as the dip switches on the removed DDU 28 To remove the upper slider from the removed DDU remove the two screws that hold the slider in place...

Page 118: ...ouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Replacing an 8 in or a 5 25 in disk drive unit continued 31 To remove the rectangle shaped slider mounting plate from the removed DDU remove the two screws that hold the plate in place Lower slider Screw 4 DDU rear ...

Page 119: ... in step 31 33 Attach the lower slider assembly to mounting plate Refer to the diagram in step 30 At the front of the DDU shelf 34 Slide the replacement DDU into the tracks on the frame Slide the DDU until the spring clip on the upper slider causes the DDU to stop Refer to the diagram in step 20 35 Press the spring clip and slide the DDU the rest of the way into the frame Screw 2 Upper slider DDU ...

Page 120: ... of the ribbon cable release the retaining clips to unplug the connector At the front of the DDU shelf 40 Carefully slide the DDU out of the frame Slide the DDU until the spring clips on the sides of sliders cause the DDU to stop 41 Remove the four screws that mount the DDU to the two mounting brackets on the drawer DANGER Loss of data Do not twist the ribbon cable Failure to route the ribbon cabl...

Page 121: ... DDU Position the DDU so that the connector is at the back of the DDU shelf 44 Attach the DDU to the mounting brackets Refer to the diagram in step 41 45 Press the spring clips on the sliders and slide the DDU back into the frame 46 Connect the ribbon and power cables At the front of the frame 47 Reset the power converter a Set the power switch on the converter to ON b Press and hold the RESET but...

Page 122: ...ocedure Allocating test volumes on 8 in 5 25 in or 3 5 in DDUs in Routine Maintenance Procedures When the procedure is complete return to this point 52 To perform interference and file transfer tests follow the procedure Performing DDU interference and file transfer tests in Routine Maintenance Procedures When the procedure is complete return to this point 53 To access the CI level of the MAP disp...

Page 123: ...DIRADD vol_name and press Enter where vol_name is the volume name recorded in step 8 58 Repeat steps 55 and 57 for each of the remaining disk volumes 59 To enforce the allocation of the volumes type UPDATE and press Enter Example of a MAP response 60 To quit the allocation utility type QUIT and press Enter WARNING A break HX of this process may cause severe corruption on the disk that may require ...

Page 124: ...ront of the DDU shelf 63 Reinstall the panel in front of the DDU At the back of the DDU shelf 64 Pack the DDU that you put in a carton Send the carton to the correct repair location Note For additional information on the return of equipment refer to the correct procedure in this document 65 Record the information below in your office records the date of DDU replacement the serial number of the new...

Page 125: ...4 02 May 2001 Replacing an 8 in or a 5 25 in disk drive unit end 67 You cannot busy the controller card if files are open This action can result in loss of billing data 68 For additional help contact the person responsible for the next level of support 69 The procedure is complete ...

Page 126: ...4 in DDU Contact your next level of support before you perform this procedure Definition The DDU is a storage device on the DMS 100 switch Replace a DDU that has faults and cannot record Do not copy the files from a DDU that has faults Backup files are available on the parallel device Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of ...

Page 127: ... 14 in disk drive unit This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Manually busy DDU controller Disconnect the DDU Pull DDU clear of frame needs two persons Connect the new DDU Push new DDU back into frame needs two persons Test the controller Return the DDU to service End Allocate disk space ...

Page 128: ...g Procedures Volume 2 of 2 LET0015 and up Replacing a 14 in disk drive unit continued 14 in disk drive unit Front panel DMS 100 DDU 02 IOC 01 DDU 01 MTD 01 Fan Fail Fan Alm Override Z03 48 ABS BAT RTN A B A B Frame Fail IOE 01 Frame Level Fusing Alarm Battery Fusing Talk Line Data Loop Disk drive unit DDU l ...

Page 129: ...on that stores the new DDU At the MAP terminal 3 To access the IOD level of the MAP display type MAPCI MTC IOD and press the Enter key Example of a MAP display 4 Note any alarm under the IOD header and the type of alarm 5 To post the IOC for the DDU that has faults type IOC ioc_no and press the Enter key where ioc_no is the number of the input output controller IOC that holds the controller card f...

Page 130: ...er of the DDU is 0 9 Find the state of the disk drive recorded in step 8 10 To determine if open files exist on the DDU type ALLOC and press the Enter key Example of a MAP response 11 Record the name and size in blocks of each volume on the disk If the state of the disk drive Do is being allocated step 81 is other than listed here step 10 If files Do are open step 80 are not open step 11 IOC CARD ...

Page 131: ...manually busy the controller card type BSY and press the Enter key Note Wait until the DDU spins down before you proceed to the next step When the DDU spins down the Drive_state header on the MAP display will show spun_down 16 To offline the disk drive type OFFL and press the Enter key If the IOD header Do displays a minor alarm step 13 displays a major alarm step 19 If the BSY command Do passed s...

Page 132: ...handle the DDU wear a wrist strap that connects to a wrist strap grounding point A grounding point will be on the frame supervisory panel FSP or a modular supervisory panel MSP The wrist strap protects against static electricity damage If the DDU Do is in a packaged core power module PCPM or pack aged core maintenance module PCMM frame of a switch package step 19 is in other than listed here step ...

Page 133: ... 24 Remove the FSP fuse from the PCPM or PCMM 25 Remove the panel that covers the DDU To locate the mounting screws refer to the diagram at the beginning of these instructions 26 Carefully slide the DDU out of the frame until the DDU stops Spring clips on the sides of the slide rails cause the DDU to stop is not a DMS 100P and the DDU is on shelf 32 step 22 is in a packaged core power module PCPM ...

Page 134: ...continued 27 Use the flashlight and the mirror Look under the DDU to determine if the disk rotation continues 28 Wait until the disk rotation stops 29 To locate the carriage and head locking levers of the DDU refer to the following diagrams DANGER Risk of personal injury Do not touch the parts that rotate on the bottom of the DDU If disk rotation Do stops step 29 continues step 28 ...

Page 135: ...ocked position Carriage Head locking levers Spindle lock Lever positioned away from drive casting spindle unlocked Lever positioned toward drive casting spindle locked Location of head and spindle locks Lock Unlock Location of single lever lock WARNING Damage to the DDU Make sure that the disk rotation stopped before you lock the carriage and heads If the disk continues to rotate damage occurs to ...

Page 136: ...n the switch is compatible with the power connector on the replacement DDU 34 Obtain an adapter from office stores 35 Remove the two retaining screws that secure the DDU to the slide rails WARNING Possible equipment damage Retainer clips hold the ribbon cable in place The ribbon cable connector releases when the retainer clips release Do not pull on the ribbon cable to release it If you pull the c...

Page 137: ...One person stands at the front of the frame and the other person stands at the back of the frame The person at the front grasps the rails of the DDU The front person tilts the front of the DDU to a 45 degree angle and lifts the DDU forward The front person slowly pulls the DDU clear of the frame The person at the back ensures that the hardware in the frame does not catch the cables ...

Page 138: ...the DIP switches on the new DDU to the DIP switches on the old DDU The other option is to set the top DIP switches on the new DDU to the settings that follow 41 Completely extend the DDU slide rails WARNING Damage to printed circuit board If you place the DDU on its sides or its top you can damage the printed circuit board DDU single PCB 10K Model 6650 10 split PCB 1J Model 15450 10 Switch Functio...

Page 139: ...e the two retaining screws that hold the front cover of the DDU to the frame 44 To remove the slider assembly from the DDU that has faults remove the two screws that secure the slider assembly in place 45 To mount the slider assembly to the replacement DDU secure the two mounting screws 46 Connect the power cable from the power converter to the replacement DDU To make the connection plug the end o...

Page 140: ... you remove the strap at location W3 on the main PCB of the DDU 54 You need two persons to perform this step One person stands at the front of the frame and the other person stands at the back of the frame The person at the front of the frame presses the release buttons on the DDU slide rails The front person slowly slides the DDU until it closes The person at the back makes sure that the hardware...

Page 141: ...the power converter as follows a Press and hold the RESET button on the power converter b Turn ON the power switch on the converter c Release the RESET button At the MAP terminal 59 To manually busy the controller card type BSY and press the Enter key 60 To start the disk drive motor type START and press the Enter key MAP response If the BSY command Do reads passed step 60 reads failed step 81 Pos...

Page 142: ...tenance Procedures Complete the procedure and return to this point 65 Perform interference and transfer tests To perform these tests perform the procedure Performing DDU interference and file transfer tests in the Routine Maintenance Procedures Complete the procedure and return to this point 66 Obtain the office records Determine the names and sizes of the volumes that you will create on the DDU 6...

Page 143: ...d press the Enter key 74 To return the DDU to service type RTS and press the Enter key If you Do need to add more volumes step 69 do not need to add more vol umes step 71 If the TST command Do passed step 74 failed step 81 If the RTS command Do passed step 75 WARNING A break HX of this process may cause severe corruption on the disk that may require it to be reformatted Writing label of Volume IMA...

Page 144: ...lows in your office records The date that you replaced the DDU The serial number of the DDU The problems that prompted the DDU replacement 78 Return the DDU that has faults to the correct office for repair Note For additional information on the return of equipment refer to the card return procedure for the correct country in this document 79 Go to step 82 80 You cannot busy the controller card if ...

Page 145: ...binets On a model C28 cabinet use the bulkhead gasket with the product code P0739662 On a model C42 cabinet use the bulkhead gasket with the product code P0739662 Definition Perform this procedure on a gasket that has faults Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the st...

Page 146: ... LET0015 and up Replacing a bulkhead gasket continued Summary of Replacing a bulkhead gasket This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure gaskets that have Clean mounting area End Remove adhesive deposit Install new gasket Remove and discard gaskets that have faults ...

Page 147: ...r with a lint free industrial wiper 3 Use a lint free industrial wiper to clean the mounting area with a degreasing solvent for example isopropyl alcohol Note Let the surface dry before you install the new gasket 4 Peel the release tape from the adhesive backing of the gasket Install the gasket base in the groove Note 1 Press the gasket down to ensure that it adheres correctly to the surface of th...

Page 148: ...one of the following common product codes CPC in a 42 in 1 07 m cabinet A0377580 A0382102 A0383322 A0383323 Note The product engineering codes for a 42 in cabinet are NT9X95AA NT9X95BA NT9X95CU and NT9X95GU The A0383323 version of the cooling unit can replace the A0377580 unit Definition A cooling unit assembly cools the cabinet components Common procedures There are no common procedures Action Th...

Page 149: ...f Replacing a cooling unit assembly in a 42 in cabinet This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Contact next level of support All cooling unit fans work Replace cooling unit Reconnect power to cooling unit End N Y Disconnect cooling unit electrical connector Reconnect cooling unit electrical co...

Page 150: ... center PDC or a cabinetized PDC CPDC At the front of the PDC 4 Locate the cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse cartridge is for the side A power feed The other fuse cartridge is for the side B power feed The cabinet number recorded in step 2 is above each fuse cartridge The letters SN...

Page 151: ...tandard 14 02 May 2001 Replacing a cooling unit assembly in a 42 in cabinet CPC A0377580 A0382102 A0383322 A0383323 continued 5 DANGER Risk of injury Electricity can arc when you remove a fuse cartridge Wear eye protection Frame supervisory panel Fuse holders Fuse holders ...

Page 152: ...auses the fan failure lamp to turn ON The fan failure lamp is at the top of the cabinet between the doors At the front of the CPDC 6 Locate the circuit breaker for the cooling unit Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed The cabinet number recorded in step 2...

Page 153: ... a 42 in cabinet CPC A0377580 A0382102 A0383322 A0383323 continued 7 DANGER Risk of injury Electricity can arc when you throw the cooling unit breaker Wear eye protection Filler panel Supplemental power distribution shelf Frame supervisory panel Power cable junction box Filler panel Power distribution shelf breaker panel assembly ...

Page 154: ...ooling unit causes the fan failure lamp to turn ON The fan failure lamp is at the top of the cabinet between the doors At the back of the cabinet 8 Open the cabinet doors 9 Pull out the electrical connector of the cooling unit at the bottom of the cabinet CAUTION Possible loss of service Ensure that you disconnect power to the cooling unit before you throw the cooling unit breaker If you throw the...

Page 155: ...Standard 14 02 May 2001 Replacing a cooling unit assembly in a 42 in cabinet CPC A0377580 A0382102 A0383322 A0383323 continued At the front of the cabinet 10 Open the cabinet doors 11 To remove the filter pull on the two filter tabs Cooling unit electrical connector Fuses ...

Page 156: ...Replacing a cooling unit assembly in a 42 in cabinet CPC A0377580 A0382102 A0383322 A0383323 continued 12 Remove the four bolts that fasten the cooling unit assembly to the cabinet DANGER Risk of injury The cooling unit weighs approximately 41 kg 90 lbs To remove or insert the cooling unit requires two or more persons Horizontal filter Filter tabs ...

Page 157: ...Step 9 shows the location of the connector 16 Close the cabinet doors At the front of the cabinet 17 Use the four mounting bolts to fasten the cooling unit assembly to the cabinet Note Step 12 shows the location of the mounting bolts 18 Insert the filter that you removed in step 11 into the replacement cooling unit Note Insert the filter with the arrows on the front that point up 19 Determine if t...

Page 158: ...t of CPDC 21 Throw the circuit breakers for the cooling unit At the front of the cabinet 22 Determine if all cooling unit fans are operating Note If one or more of the cooling unit fans is not operating the fan failure lamp turns on The fan failure lamp is at the top of the cabinet between the doors 23 Close the cabinet doors Go to step 25 24 For additional help contact the next level of support 2...

Page 159: ...roduct codes CPC in a 42 in 1 07 m DMS cabinet A0383326 A0383327 A0383984 Note The product engineering codes for a 42 in DMS cabinet are NT9X95AA and NT9X95BA Definition An electronic module for the cooling unit provides the external alarm connection The module also provides power and fusing for the cooling unit fans Common procedures There are no common procedures Action This procedure contains a...

Page 160: ...327 A0383984 continued Summary of Replacing a cooling unit electronic module This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Disconnect electrical connectors Replace electronic module Reconnect electrical connectors End Reconnect power to cooling unit Does the cooling unit work Contact next level of s...

Page 161: ...front of the PDC 4 Locate the two cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse is for the A side power feed The other fuse is for the B side power feed The cabinet number recorded in step 2 is above each fuse cartridge and the letters SN CU SuperNode cooling unit are below each fuse cartridge ...

Page 162: ...Clearing Procedures Volume 2 of 2 LET0015 and up Replacing a cooling unit electronic module CPC A0383326 A0383327 A0383984 continued 5 DANGER Risk of injury Electricity can arc when you remove a fuse cartridge from the cooling unit Wear eye protection Frame supervisory panel Fuse holders Fuse holders ...

Page 163: ...n failure lamp is at the top of the cabinet between the doors At the front of the CPDC 6 Locate the circuit breakers for the cooling unit Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed The cabinet number recorded in step 2 is above each circuit breaker The letters ...

Page 164: ...g a cooling unit electronic module CPC A0383326 A0383327 A0383984 continued 7 DANGER Risk of injury Electricity can arc when you throw the circuit breakers for the cooling unit Wear eye protection Filler panel Supplemental power distribution shelf Frame supervisory panel Power cable junction box Filler panel Power distribution shelf breaker panel assembly ...

Page 165: ...f the cabinet between the doors At the front of the cabinet 8 Open the cabinet doors 9 To remove the cooling unit cover at the bottom of the cabinet remove the nine mounting screws from the cover Note Do not remove the four bolts that fasten the cooling unit to the cabinet The procedure Replacing a cooling unit assembly in this document shows the location of the screws CAUTION Possible loss of ser...

Page 166: ...te The power connector is near the upper left hand corner of the backplate of the cooling unit At the front of the cabinet 12 Disconnect the four electrical connectors at the front of the electronic module Note Use both hands to disconnect the connectors Grasp the top of the connector in one hand and the bottom of the connector in the other hand Press the releases at the sides of the connector top...

Page 167: ...ctrical connectors that you removed in step 12 Note To reconnect each connector press the releases on the connector top Insert the connector bottom until it locks in place If you cannot insert the connector bottom turn it one half turn and try to insert it again At the back of the cabinet 16 Insert the screws that fasten the electronic module into the cooling unit assembly You removed these screws...

Page 168: ...ow the circuit breakers for the cooling unit At the front of the cabinet 21 Determine if all the cooling unit fans work Note If one or more of the cooling unit fans does not work the fan failure lamp turns ON The fan failure lamp is at the top of the cabinet between the doors 22 To reinstall the cooling unit cover insert the mounting screws into the cover Note Step 9 shows the location of the moun...

Page 169: ...ommon product codes CPC A0345301 in a 42 inch DMS cabinet Note The product engineering codes PEC for a 42 inch DMS cabinet are NT9X0104 and NT9X0113 Definition Cooling unit fans cool the cabinet components Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the ...

Page 170: ...15 and up Replacing a cooling unit fan CPC A0345301 continued Summary of Replacing a cooling unit fan This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Replace fan Fan works Reconnect power to cooling unit Contact next level of support End Y N ...

Page 171: ...the cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse is for the side A power feed The other fuse is for the side B power feed The cabinet number recorded in step 1 is above each fuse cartridge The letters SN CU SuperNode cooling unit are below each fuse cartridge DANGER Risk of injury or damage to...

Page 172: ... fan CPC A0345301 continued 4 DANGER Risk of injury Electricity can arc when you remove the fuse cartridges for the cooling unit Wear eye protection CAUTION Possible loss of service Remove only the cooling unit fuses Removal of the wrong fuses can disconnect power to a critical hardware component and cause loss of service Frame supervisory panel Fuse holders Fuse holders ...

Page 173: ...oling unit Removal of power from the cooling unit causes the fan failure lamp to turn ON The fan failure lamp is at the top of the cabinet between the doors 5 Locate the cooling unit circuit breakers Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed The cabinet number...

Page 174: ...moval of power from the cooling unit causes the fan failure lamp to turn ON The fan failure lamp is at the top of the cabinet between the doors CAUTION Possible loss of service Make sure you remove only the cooling unit fuses before you throw this circuit breaker Removal of the wrong fuses can disconnect power to a critical hardware component and cause loss of service Filler panel Supplemental pow...

Page 175: ...on the handles 10 To remove the kickplate assembly remove the mounting screws and mounting bolts that hold the assembly in place Note The four mounting screws are along the bottom of the kickplate The two mounting bolts are at the sides of the kickplate 11 Disconnect the electrical connector of the fan that has faults from the corresponding electrical connector of the cabinet Note The connector fo...

Page 176: ...MS 100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Replacing a cooling unit fan CPC A0345301 continued 12 Slide the fan that has faults the rest of the way out of the cabinet 13 Slide the replacement fan into the cabinet ...

Page 177: ...Throw the circuit breakers for the cooling unit At the front of the cabinet 18 Determine if the replacement fan works 19 Reinstall the kickplate assembly Note Step 8 shows the location of the kickplate assembly 20 Reinstall the filter basket Note Step 8 shows the location of the filter basket 21 Reinstall the cooling unit intake grill Note Step 8 shows the location of the cover mounting screws for...

Page 178: ...nued 1 163 DMS 100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Replacing a cooling unit fan CPC A0345301 end Go to step 24 23 For additional help contact the next level of support 24 The procedure is complete ...

Page 179: ...n has one of the following common product codes CPC in a 42 in DMS cabinet A0381714 A0382103 A0383325 Note The product engineering codes PEC for a 42 in DMS cabinet are NT9X95AA and NT9X95BA Definition Cooling unit fans cool the cabinet parts Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the proce...

Page 180: ... Replacing a cooling unit fan CPC A0381714 A0382103 A0383325 continued Summary of Replacing a cooling unit fan This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Replace fan Fan works Reconnect power to cooling unit Contact next level of support End N Y ...

Page 181: ...3 Locate the cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse is for the side A power feed The other fuse is for the side B power feed The cabinet number recorded in step 1 is above each fuse cartridge The letters SN CU SuperNode cooling unit are below each fuse cartridge DANGER Risk of injury or ...

Page 182: ... A0381714 A0382103 A0383325 continued 4 DANGER Risk of injury Electricity can arc when you remove a fuse cartridge from the cooling unit Wear eye protection CAUTION Possible loss of service Remove only the cooling unit fuses Removal of the wrong fuses can disconnect power to a critical hardware component and cause loss of service Frame supervisory panel Fuse holders Fuse holders ...

Page 183: ...he cooling unit Removal of power from the cooling unit causes the fan failure lamp to turn ON The fan failure lamp is at the top of the cabinet between the doors 5 Locate the circuit breakers for the cooling unit Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed The c...

Page 184: ... up Replacing a cooling unit fan CPC A0381714 A0382103 A0383325 continued 6 DANGER Risk of injury Electricity can arc when you throw circuit breakers for the cooling Wear eye protection Filler panel Supplemental power distribution shelf Frame supervisory panel Power cable junction box Filler panel Power distribution shelf breaker panel assembly ...

Page 185: ...oors 8 The cooling unit cover is at the bottom of the cabinet To remove the cover remove the nine mounting screws from the cover Note Do not remove the four bolts that fasten the cooling unit to the cabinet The procedure Replacing a cooling unit assembly in this document shows the location of the screws 9 Slide the fan that has faults out of the cabinet so that you can disconnect the four pin elec...

Page 186: ... and up Replacing a cooling unit fan CPC A0381714 A0382103 A0383325 continued 10 Disconnect the four pin connector of the fan that has faults from the corresponding four pin connector of the cabinet 11 Slide the fan that has faults the rest of the way out of the cabinet Four pin electrical connector cabinet Four pin electrical connector fan ...

Page 187: ...responding four pin electrical connector of the cabinet Note Step 9 shows the location of the connector 14 Slide the replacement fan the rest of the way into the cabinet 15 Determine if power for the cooling unit connects through a circuit breaker at the CPDC At the front of the PDC 16 To insert the cooling unit fuses push the fuse cartridges straight into the front panel of the PDC Go to step 18 ...

Page 188: ...oling unit At the front of the cabinet 18 Determine if the replacement fan works 19 Replace the cooling unit cover Note Step 8 shows the location of the cover mounting screws 20 Close the cabinet doors Go to step 22 21 For additional help contact the next level of support 22 The procedure is complete DANGER Risk of injury Electricity can arc when you throw a circuit breaker for the cooling unit We...

Page 189: ...ng center integrated services digital network CRSC ISDN NTMX90AB Global Peripheral Platform GPP cabinet NTRX89FC cabinetized extension module CEXT Definition Perform this procedure on a cooling unit that has faults The illumination of the FAN FAIL indicator on the front of the modular supervisory panel MSP indicates a cooling unit that has faults Common procedures There are no common procedures Ac...

Page 190: ... Volume 2 of 2 LET0015 and up Replacing cooling unit NTRX91AA continued Summary of Replacing cooling unit NTRX91AA This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Turn on cooling unit End Install new cooling unit Remove cooling unit Turn off cooling unit ...

Page 191: ...s are off remove the two fuses on the faceplate of the modular supervisory panel MSP 2 Turn the two knobs on the front panel of the cooling unit counter clockwise Slide the cooling unit out 3 Slide in the new cooling unit NTRX91AA until both sides lock into place 4 Replace the two fuses that you removed in step 1 5 The procedure is complete DANGER To prevent overheating Do not turn off the cooling...

Page 192: ...et Application Use this procedure to replace a cooling unit CU voltage limiter and filter NTNX13CA in a 28 in 0 711 m cabinet Definition The CU voltage limiter and filter limits the input voltage to 56 V Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the pr...

Page 193: ...cing a CU voltage limiter and filter in a 28 in cabinet This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect cooling unit Remove voltage limiter and filter that have faults Reconnect cooling unit End Voltage limiter and filter work Contact next level of support N Y Install replacement voltage limiter and filter ...

Page 194: ... the 15 pin electrical connector of the fan tray from the cabinet The connector of the fan tray at the bottom of the cabinet corresponds to the 15 pin connector of the cabinet At the front of the cabinet 3 Open the cabinet doors 4 Loosen the two screws that hold the fan tray in place 5 Slide the fan tray out of the cabinet WARNING Loss of cabinet cooling Disconnection of the cooling unit for an ex...

Page 195: ...13CA 11 Slide the fan tray back into the cabinet 12 Tighten the two screws that hold the fan tray in place At the back of the cabinet 13 Reconnect the 15 pin electrical connector of the fan tray 14 Close the cabinet doors At the front of the cabinet 15 Open the filter access panel at the bottom of the cabinet To open the panel slide the catches toward each other A and swing the panel downward B WA...

Page 196: ...filter in a 28 in cabinet end 16 Determine if the replacement NTNX13CA card operates Note The LED on the NTNX13CA card is off if the unit operates correctly 17 Close the filter access panel 18 Close the cabinet doors Go to step 20 19 For additional help contact the next level of support 20 The procedure is complete If the LED Do is off step 17 is on step 19 Filter access panel A A B ...

Page 197: ... storage media card NTFX32AA Card NTFX32AA is in the input output module IOM The integrated service module ISM shelf contains the IOM Replace any drive that has a fault and can no longer record Do not copy files from any drive that has a fault Backup files are available on the parallel device Common procedures There are no common procedures Action This procedure contains a summary flowchart and a ...

Page 198: ...ital audio tape DAT drive NTFX32CA continued Summary of Replacing a digital audio tape DAT drive This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Post IOM controller port Demount tape Busy DAT drive port Remove tape cartridge Change the DAT drive Return the DAT drive to service End ...

Page 199: ...for the DAT drive that you will replace When possible use the carton of the new drive To access the IOD level of the MAP display type MAPCI MTC IOD and press Enter Example of a MAP display 2 To post the input output module IOM controller for the replaced DAT drive type IOC ioc_no and press Enter where ioc_no is the number of the affected IOM Example of a MAP display IOD IOC 0 2 3 STAT S DIRP SMDR ...

Page 200: ...of a MAP display 4 Record the number of the replaced DAT drive 5 Notify all users that there will be an interruption in service for the device Wait until all users stop use of the DAT drive before you proceed to the next step 6 To demount a mounted DAT tape type DEMOUNT Tmtd_no and press Enter where mtd_no is the number of the affected MTD DAT 7 To manually busy the DAT drive port type BSY and pre...

Page 201: ... media card NTFX32AA in slot 4 of the ISM shelf Check the LED on the media card faceplate 9 To replace the media card NTFX32 perform the correct procedure in Card Replacement Procedures 10 If the LED Do is lit step 10 is off step 9 DANGER Possible loss of data Force eject to recover a cartridge only for emergency purposes Never use the method as a quick way to eject the cartridge Data can become l...

Page 202: ...nning of media The tape also unthreads and ejects from the mechanism 11 Unscrew the spring loaded lock mechanism located on the faceplate of the drive carrier The drive carrier connects the DAT drive to the media card After the drive disconnects the red LED will be ON and the green LED will be OFF Note Unscrew the lock mechanism to its complete limit before you use the ejector to remove the unit 1...

Page 203: ...d clearing procedures continued 297 8021 544 Standard 14 02 May 2001 Replacing a digital audio tape DAT drive NTFX32CA continued 13 Remove the DAT drive and the carrier Pull the drive and carrier straight out of the media card ...

Page 204: ...ridge that you removed in step 10 into the drive The drive will take the cartridge and perform a load sequence At the MAP display 16 To access the port level of the MAP display for the DAT drive type MAPCI MTC IOC ioc_no PORT port_no and press Enter where ioc_no is the number of the input output module that houses the DAT unit you are working on port_no is the number of the IOM port connected to t...

Page 205: ...ervice type RTS and press Enter 18 To remount the removed tape type MOUNT mtd_no and press Enter where mtd_no is the number of the MTD DAT Go to step 20 19 For additional help contact the person responsible for the next level of support 20 The procedure is complete If the RTS command Do passed step 18 failed step 19 Port 16 MTD 1 DevType DAT SCSI TapeName User Status Idle ...

Page 206: ...ket vertical P0691074 EMI gasket horizontal On model B C28 door P0738895 EMI gasket vertical P0738894 EMI gasket horizontal On model A C42 door P0691073 EMI gasket vertical P0691074 EMI gasket horizontal Note This procedure does not apply to gaskets for model B C28 release issue 2 and model B C42 doors These doors use a gasket that does not have an adhesive backing Definition Perform this procedur...

Page 207: ...1 Replacing a door gasket continued Summary of Replacing a door gasket This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Clean mounting area End Remove adhesive deposit Install new gasket Remove and discard gaskets that have faults ...

Page 208: ...ide door panel Note Apply a petroleum based cleaner with a lint free industrial wiper 3 Use a lint free industrial wiper to clean the mounting area with a degreasing solvent for example isopropyl alcohol Note Let the surface dry before you install the new gasket 4 Peel off the release tape from the adhesive backing of the gasket Install the gasket in place Note Press the gasket down to ensure that...

Page 209: ...Application Use this procedure to replace a fan in a 28 in 0 711 m cabinet Definition A fan cools the components of the cabinet Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure ...

Page 210: ...n in a 28 in cabinet continued Summary of Replacing a fan in a 28 in cabinet This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Turn FAN FAIL OVERRIDE switch ON Remove fan that has faults Install replacement fan Turn FAN FAIL OVERRIDE switch OFF End Does the fan work Contact next level of support N Y ...

Page 211: ...t doors 2 Turn the FAN FAIL OVERRIDE switch ON 3 Locate the filter access panel at the bottom of the cabinet To open the panel slide the catches toward each other A and swing the panel down B 4 Record which fan has faults DANGER Risk of personal injury A risk of electrocution exists Avoid contact with the cabinet wiring DANGER Risk of personal injury Avoid contact with the rotating fan blades Filt...

Page 212: ...osen the two screws that hold the fan tray in place 8 Slide the fan tray out of the cabinet 9 Note the positive and negative electrical connections of the fan 10 Locate the two electrical connectors on the fan tray Unplug the two electrical connectors on the fan tray from the corresponding connectors on the fan that has faults 11 Note the position of the fan that has faults top and bottom left and...

Page 213: ...tray into the corresponding connectors on the fan 17 Slide the fan tray back into the cabinet 18 Tighten the two screws that hold the fan tray in place At the back of the cabinet 19 Connect the ten pin electrical connector on the fan again 20 Close the cabinet doors At the front of the cabinet 21 Determine if the replacement fan works 22 Close the filter access panel 23 Turn OFF the FAN FAIL OVERR...

Page 214: ... locating and clearing procedures continued 1 199 DMS 100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Replacing a fan in a 28 in cabinet end 26 The procedure is complete ...

Page 215: ...e Application Use this procedure to replace a fan in a 28 in 0 635 m frame Definition A fan cools the components of a frame Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure ...

Page 216: ...ing a fan in a 28 in frame continued Summary of Replacing a fan in a 28 in frame This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Turn on fan alarm override Remove fan that has faults Install replacement fan Turn off fan alarm override End Does the fan work Contact next level of support Y N ...

Page 217: ...ntinued 297 8021 544 Standard 14 02 May 2001 Replacing a fan in a 28 in frame continued Summary of Replacing a fan in a 28 in frame Filter and grill assembly Screw four four each side Cooling unit Screw two for each side rail top and bottom Side rail ...

Page 218: ...me supervisory panel FSP 2 Remove the filter panel at shelf 04 3 To determine the fan that has faults look from below the fan tray 4 Remove the side rails on the frame 5 Remove the four screws on each side of the cooling unit 6 Turn OFF the two switches on each of the inverter cards DANGER Risk of injury Avoid contact with the cabinet wiring to prevent risk of electrocution DANGER Loss of frame co...

Page 219: ... 10 Unplug the electrical connectors to each of the inverter cards 11 Note the position of the fan that has faults top and bottom left and right 12 Remove the fan 13 Position the replacement fan that has faults on the fan tray with the same position as the fan 14 Screw the four bolts into the fan from the bottom of the tray 15 Plug the two electrical connectors on the fan tray into the correspondi...

Page 220: ...orrect inverter card 19 Turn OFF the switch on the inverter card Slide the fan tray back into the frame 20 Turn ON the switches on the two inverter cards 21 Mount the four screws on each side of the cooling unit 22 Mount the screws on the side rails of the frame 23 Turn OFF the override switch for the fan alarm 24 For additional help contact the next level of support 25 The procedure is complete D...

Page 221: ...uct codes CPC in a 42 in 1 07 m DMS cabinet A0381714 A0383325 A0382103 Note The product engineering codes for a 42 in DMS cabinet are NT9X95AA and NT9X95BA Definition Cooling unit fans cool the cabinet components Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perfo...

Page 222: ...015 and up Replacing a fan in a 42 in cabinet continued Summary of Replacing a fan in a 42 in cabinet This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Replace fan Reconnect power to cooling unit Fan works Contact next level of support End N Y ...

Page 223: ... 4 Locate the cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse is for the side A power feed and the other fuse for the side B power feed The cabinet number recorded in step 2 is above each fuse cartridge The letters SN CU SuperNode cooling unit are below each fuse cartridge DANGER Risk of injury o...

Page 224: ...t continued 5 DANGER Risk of injury Electricity can arc when you remove a fuse cartridge Wear eye protection when you remove fuse holders for the cooling unit CAUTION Possible loss of service Remove only the cooling unit fuses Removal of the wrong fuses can disconnect power to a critical hardware component and cause loss of service Frame supervisory panel Fuse holders Fuse holders ...

Page 225: ...of power from the cooling unit causes the fan failure lamp to turn on The fan failure lamp is at the top of the cabinet between the doors At the front of the CPDC 6 Locate the cooling unit circuit breaker Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed The cabinet n...

Page 226: ...aker Wear eye protection CAUTION Possible loss of service Before you throw the circuit breakers make sure that you disconnect power to the cooling unit If you throw the wrong breakers you can disconnect power to a critical hardware component and cause loss of service Filler panel Distribution shelf for auxiliary power optional blanking panel Frame supervisory panel Junction box for the power cable...

Page 227: ...binet between the doors At the front of the cabinet 8 Open the cabinet doors 9 To remove the cooling unit cover at the bottom of the cabinet remove the nine mounting screws from the cover Note Do not remove the four bolts that fasten the cooling unit to the cabinet The procedure Replacing a cooling unit assembly in a 42 in cabinet in this document shows the location of the screws 10 Slide the fan ...

Page 228: ...2 LET0015 and up Replacing a fan in a 42 in cabinet continued 11 Disconnect the electrical connector on the fan that has faults from the corresponding electrical connector on the cabinet 12 Slide the fan that has faults the rest of the way out of the cabinet Three pin electrical connector cabinet Three pin electrical connector fan ...

Page 229: ...g electrical connector on the cabinet Note Step 10 shows the location of the connector 15 Slide the replacement fan the rest of the way into the cabinet 16 Determine if power to the cooling unit connects through a circuit breaker at the CPDC At the front of CPDC 17 To insert the cooling unit fuses push the fuse cartridges straight into the front panel of the PDC Go to step 19 If power to the cooli...

Page 230: ...At the front of the cabinet 19 Determine if the replacement fan works 20 Reinstall the cooling unit cover Note Step 9 shows the location of the cover mounting screws 21 Close the cabinet doors Go to step 23 22 For additional help contact the next level of support 23 The procedure is complete DANGER Risk of injury Electricity can arc when you throw a cooling unit breaker Wear eye protection If the ...

Page 231: ...2 May 2001 Replacing a line card Task Use this procedure to replace a line card in an ISDN enhanced line concentrating module LCME Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure ...

Page 232: ...ures Volume 2 of 2 LET0015 and up Replacing a line card continued Summary of Replacing a line card This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Locate the line card Remove the line card Insert the replacement line card Return to the main procedure ...

Page 233: ...s LCMINV LCME81BA Unit0 LCME81BA Unit1 LCME81BA LCM REX is ON PASSED on TUE 1997 10 28 at 01 30 05 Node Status OK FALSE Unit 0 Status OK FALSE RG 1 Unit 1 Status OK FALSE RG 1 Ring Generator Status RG 0 Status OK Preferred RG 1 Status OK Standby RG in Overload NO Site Flr RPos Bay_id Shf Description Slot EqPEC HOST 03 CC06 LCEI 36 04 LCME 36 0 BX30AB Services ISDN Equipped Note In this example the...

Page 234: ... the PEC of the line card is BX27AA 2 Record the location and PEC for the line card At the shelf 3 Locate the drawer for the line card Use the information you recorded in step 2 4 Press the small thumb latch button on the lower left edge of the drawer Carefully pull the drawer toward you until it stops WARNING Static electricity damage When you handle circuit cards wear a wrist strap that connects...

Page 235: ...below Carefully remove the card from the connector pins DANGER Risk of personal injury The large flat rectangular component mounted on the front edge can be very hot of line cards To avoid burns to your fingers use the insertion and withdrawal tool to remove the card as illustrated in step Section 6 Clamp the insertion and withdrawal tool to the front edge of the card as illustrated below Carefull...

Page 236: ... the same PEC and PEC suffix as the removed card 9 Clamp the insertion and withdrawal tool to the front edge of the replacement card as shown in step 6 Align the card with the connector pins and carefully insert the card 10 Make sure the card sits in a secure position 11 Carefully push the drawer back into the shelf until the thumb latch button locks 12 The procedure is complete Return to the main...

Page 237: ...ion The next level of support identifies a missing line card The next level of support can request that you perform this procedure to correct the problem or to provide additional information Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure ...

Page 238: ...ng line card continued Summary of Replacing a missing line card This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Post line that has faults End Locate line card that has faults Contact next level of support Passed Perform diagnostic test Y N Replace or reinsert card Refer to Card Replacement Procedures ...

Page 239: ...f a MAP response 4 Record the product engineering code PEC the PEC suffix and the location of the line card that has faults Note The PEC appears In the MAP response in step 3 The PEC appears under the EqPEC header The location appears under the Site Flr RPos Bay_id Sh Description and Slot headers 5 To replace the line card that you recorded in step 4 perform the correct procedure in Card Replaceme...

Page 240: ...7 For additional help contact the next level of support 8 The procedure is complete If the MAP response Do is LINE100 and other infor mation step 8 is LINE101 and other infor mation step 7 is COULD NOT RUN LINE_CARD_ DIAGNOSTIC step 7 LINE100 NOV04 18 34 21 0700 PASS LN_DIAG LEN HOST 00 1 00 01 DN 6136214777 DIAGNOSTIC RESULT Card Diagnostic OK ACTION REQUIRED None CARD TYPE 6X17AC ...

Page 241: ...ule has one of the following common product codes CPC in a 42 inch DMS cabinet A0383326 A0383327 Note The product engineering codes PEC for a 42 in DMS cabinet are NT9X95AA and NT9X95BA Definition An NT9X95SA card refers to a card that has faults and requires replacement Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the ...

Page 242: ... continued Summary of Replacing an NT9X95 card in a cooling unit This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Disconnect power to cooling unit Disconnect electrical connectors Replace NT9X95 card Reconnect electrical connectors End Reconnect power to cooling unit Does the cooling unit work Contact next level of support Y N ...

Page 243: ...ion center PDC or a cabinetized PDC CPDC At the front of the PDC 4 Locate the cooling unit fuses Note The cooling unit fuse cartridges are on the front panel of the PDC The fuse cartridges contain two cooling unit fuses One fuse is for the side A power feed and one fuse is for the side B power feed The cabinet number recorded in step 2 is above each fuse cartridge The letters SN CU SuperNode cooli...

Page 244: ...d in a cooling unit continued 5 DANGER Risk of injury Electricity can arc when you remove a fuse cartridge from the cooling unit Wear eye protection CAUTION Possible loss of service Remove only the cooling unit fuses Removal of the wrong fuses can disconnect power to a critical hardware component and cause loss of service Frame supervisory panel Fuse holders Fuse holders ...

Page 245: ...al of power from the cooling unit causes the fan failure lamp to turn on The fan failure lamp is at the top of the cabinet between the doors At the front of the CPDC 6 Locate the circuit breakers for the cooling unit Note The two cooling unit circuit breakers are on the front panel of the CPDC One circuit breaker is for the side A power feed The other circuit breaker is for the side B power feed T...

Page 246: ...row a cooling unit circuit breaker Wear eye protection CAUTION Possible loss of service Make sure that you disconnect power to the cooling unit before you throw the circuit breakers If you throw the wrong breakers you can disconnect power to a critical hardware component and cause loss of service Filler panel Supplemental power distribution shelf Frame supervisory panel Power cable junction box Fi...

Page 247: ...o remove the cooling unit cover at the bottom of the cabinet remove the nine mounting screws from the cover Note Do not remove the four bolts that fasten the cooling unit to the cabinet The procedure Replacing a cooling unit assembly in this document shows the location of these screws At the back of the cabinet 10 Remove the two screws that fasten the electronic module to the cooling unit assembly...

Page 248: ...ule Note Use both hands to disconnect the connectors Grasp the top of the connector in one hand and the bottom of the connector in the other hand Press the releases at the sides of the connector top and pull on the connector bottom 13 Slide out the electronic module for the cooling unit CAUTION Possible equipment damage or service interruption Label all electrical connectors before you disconnect ...

Page 249: ...he electronic module 15 To remove the NT9X95 card remove the four screws that mount the card to the electronic module 16 To install the replacement NT9X95 card insert the four screws that mount the card to the electronic module 17 Reconnect the electrical connector that you disconnected in step 14 Filter elements NT9X95 card Diode block Interface connector Fuse holder three Electronic module under...

Page 250: ...embly You removed these screws in step 10 21 Reconnect the power connector you disconnected in step 11 22 Determine if power for the cooling unit connects through a PDC or a CPDC At the front of PDC 23 Insert the cooling unit fuses into the front panel of the PDC Push the fuse cartridges straight into the front panel Go to step 25 At the front of CPDC 24 Throw the cooling unit circuit breakers At ...

Page 251: ...d 14 02 May 2001 Replacing an NT9X95 card in a cooling unit end 26 Replace the cooling unit cover Note Step 9 shows the location of the mounting screws 27 Close the cabinet doors Go to step 29 28 For additional help contact the next level of support 29 The procedure is complete ...

Page 252: ...on The bulkhead splitter unit is a connection unit that mounts on the cabinetized integrated services module CISM bulkhead The unit connects the input output module IOM paddle boards on the integrated service module ISM shelf to the input output devices IOD Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a...

Page 253: ...continued Summary of Replacing an NTFX39 bulkhead splitter unit This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Post the IOC Manually busy all devices Manually busy IOM Change bulkhead splitter unit Return the IOC to service Return all ports to service End ...

Page 254: ...y 3 To post the configured IOM controller type IOC ioc_no and press Enter where ioc_no is the IOM identification number Example of a IOM MAP display ATTENTION This procedure includes directions to manually busy the controller card for the IOM Perform this procedure from a MAP terminal that does not connect to the IOM that has the manual busy controller card CAUTION Loss of service This procedure i...

Page 255: ... port for the replaced CONS type PORT port_no and press Enter where port_no is the port identification number Example of a IOM MAP display IOD IOC 0 1 2 3 STAT S DIRP SMDR B XFER SLM NPO NX25 MLP DPPP DPPU SCAI IOC PORT 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 IOM STAT 0 TYPE C C C C M M S S O O O O T P C C N N N N D C S S If terminal controller ports Do are on the shelf step 5 are not on the s...

Page 256: ...protocol controller MPC ports that are on the controller card 11 To post a port for the MPC type PORT port_no and press Enter where port_no is the port identification number Example of a IOM MAP display 12 Determine the state of the port 13 To display status information on current MPC conversations type QCONV and press Enter If the BSY command Do passed step 9 failed step 57 If provisioned MPC por...

Page 257: ...YES and press Enter Example of MAP response 17 Repeat steps 11 to 16 for each MPC port on the IOM controller card 18 The next action depends on any provisioned disk drive units DDU ports that are on the controller card If Do one or more sessions is active step 14 all sessions are inactive step 15 If the BSY command Do passed step 17 failed step 57 If provisioned DDU ports Do are on the shelf step ...

Page 258: ...les on the DDU exist type ALLOC and press Enter Example of a MAP display 22 To manually busy the port on the controller card type BSY If the port state Do is ManB step 24 is OFFL step 55 is other than listed here step 21 Port 16 Unit 0 SCSI User system Drive_State Status Ready On_line VOLID VOL_NAME SERIAL_NO BLOCKS ADDR TYPE R O FILES_OPEN 0 IMAGE 2800 45000 D000 0 NO 0 1 XPMLOADS 2801 35000 D000...

Page 259: ...PORT port_no and press Enter where port_no is the port identification number Example of a IOM MAP display 26 Determine the state of the port 27 Notify all users that there will be an interruption in service for the device Wait until all users stop use of the device before you proceed to the next step 28 To manually busy the port type BSY and press Enter Example of MAP response If provisioned MTD p...

Page 260: ... to 32 for other IOM units configured on the splitter unit At the modular supervisory panel 34 Put on a wrist strap At the rear of the ISM shelf 35 Locate bulkhead splitter unit and disconnect the four cable connectors C05 to C08 from the harness Disconnect the shrouded pin unit connections at the rear of the splitter unit Note the pin unit positions 36 Remove the nuts in the back of the splitter ...

Page 261: ... to the maintenance procedure that sent this procedure and continue as directed At the MAP terminal 43 To return an IOM to service type RTS IOC and press Enter 44 The next action depends on any provisioned consoles disk drives and magnetic tape drives 45 To post the device port type PORT port_no and press Enter where port_no is the port identification number 0 to 17 46 To return the device to serv...

Page 262: ...t MPC service is available 54 Repeat steps 43 to 53 to put the second IOM back into service 55 Consult an office person to determine why the component is off line Continue as directed by the office person 56 You cannot busy the controller if files are open The result can be the loss of billing data For additional help contact the person responsible for the next level of support 57 For additional h...

Page 263: ...o replace a point of use power supply PUPS card in an ISDN enhanced line concentrating module LCME Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure Note The ISDN lines in the drawer require only the PUPS card A PUPS failure does not affect the lines other than ISDN ...

Page 264: ...T0015 and up Replacing a point of use power supply card continued Summary of Replacing a point of use power supply card This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Locate the PUPS card Remove the PUPS card Insert the replacement PUPS card Return to the main procedure ...

Page 265: ...ME 00 01 02 09 BX27AA Note In this example the location of the line card is Site in the HOST office Flr on the 3rd floor RPos in row C position 04 Bay_id in ISDN LCME bay 36 identifies the type of equipment in the bay Shf on shelf 18 Description in LCME module 00 unit 01 Slot in slot 02 logical drawer 09 Note In this example the PEC of the line card is BX27AA 2 Record the location of the line card...

Page 266: ...f the LCME 00 or 01 Example of a MAP display LCME HOST 67 1 SysB Links OOS Cside 0 Unit0 SysB Unit1 SysB 11 11 11 RG Uneq Drwr 01 23 45 67 89 01 23 45 5 To manually busy the drawer type BSY DRWR drawer_no and press the Enter key where drawer_no is the logical number for the line drawer 00 to 15 Example of a MAP display WARNING this action will affect both drawers 0 and 1 LCME HOST 07 1 Drwr 0 will...

Page 267: ...he back plate shown in the figure below The notch fits the end of a flange Shift the bottom of the drawer toward you to allow the notch to slide over the end of the flange 10 WARNING Static electricity damage When you handle circuit cards wear a wrist strap that connects to the wrist strap grounding point of a frame supervisory panel FSP The wrist strap protects the cards against static electricit...

Page 268: ...to the PUPS card do not use the two slot guide 12 If you use the two slot guide hold it in place with your left hand With your right hand clamp the insertion and withdrawal tool to the front edge of the PUPS card Carefully remove the card from the socket as illustrated in step 11 13 Leave the two slot guide tool in place as a guide for the installation of the replacement PUPS card 14 Place the rem...

Page 269: ...ard with the socket and carefully insert the card 17 Make sure the card sits in a secure position 18 Carefully push the drawer back into the shelf until the thumb latch button locks 19 To return the drawer to service type RTS DRWR drawer_no and press the Enter key where drawer_no is the logical number of the line drawer 00 to 15 20 The procedure is complete Return to the main procedure that sent y...

Page 270: ...Keyboard cable Keyboard Base unit keyboard connector Keyboard equipped Headset jacks Headset jack Base unit FGND HS1 HS2 NTNX5303 Base unit power Power strip Base unit power cord connector Power strip A0368941 Wiring closet cable Base unit TR and DT Wiring closet TR to MAU DT to BIX block voice teledapt NTNX36DJ Note Use with NTNX51BC or NTNX51BD card Wiring closet cable Base unit TR and DT Wiring...

Page 271: ... the instructions that follow this flowchart to perform the procedures Summary of Replacing a TOPS MPX terminal Identify position Power up all terminal equipment Connect crt cables Connect keyboard cables Connect controller base cables Type 3 Connect DT and Token Ring cables to controller base Y N End of procedure Perform Placing TOPS MPX terminal in service Connect DSU cable to controller base ...

Page 272: ...h screen server Record for later use 2 To replace the TOPS MPX terminal controller base complete the following steps a Connect Token Ring cable and DT cable 1 to the controller base b Connect DSU cable 2 to DSU c Connect DSU cables 3 and headset cables 4 to the controller base Note Connection of DSU cables applies to type 1 or type 2 TOPS MPX positions WARNING Potential risk to equipment After you...

Page 273: ...ct display cables from controller base to TOPS MPX crt 1 2 b Connect power cords Connect power strip to TOPS MPX crt 3 4 DSU and controller base 5 6 power cords and power strip to outlet 7 Note Connection of DSU power cord 6 applies to type 1 or type 2 TOPS MPX positions c Turn power on for all TOPS MPX position equipment OR CONTROLLER BASE DSU UNIT HEADSET CABLES DSU CABLE DSU POWER CORD TO HEADS...

Page 274: ...nd Clearing Procedures Volume 2 of 2 LET0015 and up Replacing a TOPS MPX terminal TOPS MPX end 5 You completed this procedure correctly Go to common procedure Placing a TOPS MPX terminal in service DISPLAY SIGNAL CABLE POWER CABLE CONTROLLER BASE 7 4 3 2 1 5 TOPS MPX crt DSU UNIT DSU POWER CORD 6 ...

Page 275: ...re to reseat a line card in an ISDN enhanced line concentrating module LCME This procedure ensures the correct electrical connection between the line card and the connector pins on the drawer Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedure ...

Page 276: ...res Volume 2 of 2 LET0015 and up Reseating a line card continued Summary of Reseating a line card This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Locate the line card to be reseated Remove the line card Reseat the line card Return to the main procedure ...

Page 277: ...CHOST 03 C01 LCEI01 18 LCME 01 02 09 BX27AA Note In this example the location of the line card is Site in the HOST office Flr on the 3rd floor RPos in row C and in line equipment bay 01 Bay_id in ISDN line concentrating equipment bay 01 Shf on shelf 18 Description in hardware device LCME bay 01 Slot in slot 02 drawer 09 Note In this example the PEC of the line card PEC is BX27AA 2 Record the locat...

Page 278: ...e card use the recorded information in step 2 4 Press the small thumb latch button on the lower left edge of the drawer Carefully pull the drawer forward WARNING Static electricity damage When you handle circuit cards wear a wrist strap that connects to the wrist strap grounding point of a frame supervisory panel FSP The wrist strap protects the cards against static electricity damage Thumb latch ...

Page 279: ...the card as illustrated below Carefully remove the card from the connector pins 7 Align the card with the connector pins and carefully reseat the card 8 Ensure the card sits in a secure position DANGER Risk of personal injury The large flat rectangular component mounted on the front edge can be very hot To avoid burns to your fingers use the insertion and withdrawal tool Use the tool to remove and...

Page 280: ...and Clearing Procedures Volume 2 of 2 LET0015 and up Reseating a line card end 9 Carefully push the drawer back into the shelf until the thumb latch button locks 10 You have completed this procedure Return to the main procedure that sent you to this procedure and continue to follow the directions ...

Page 281: ...t system TRMS cannot delete an old database log file When LOGUTIL is in the EXPERT mode the log also contains a fault tolerant file system FTFS error code The FTFS error code explains the problem why the system cannot delete the old log file Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as an overview of th...

Page 282: ... and Clearing Procedures Volume 2 of 2 LET0015 and up Responding to TRMS301 logs continued Summary of Responding to TRMS301 logs This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Contact next level of support Obtain a copy of the log ...

Page 283: ...end Responding to TRMS301 logs At your current location 1 Obtain a copy of the TRMS301 log 2 Note the information contained in the TRMS301 log that follows the location of the the TRMS failure for example FP4 the database log name for example 800PLUS__SLAVE__0 LOG002 3 For additional help contact the next level of support ...

Page 284: ...to return a D channel back into service when the far end office is out of service Definition The D channel is in the remote not responding RNR state The RNR state indicates that the far end office does not respond Logs ISDN111 ISDN112 or ISDN114 can generate Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to ...

Page 285: ...el This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Y 1 1 1 N Is trouble cleared and D channel INS Manually busy the D channel Passed Return the busy D channel to service Contact next level of support Passed End Post the D channels Are the D channel states INS and STB Choose and RNR D channel to restore Ask far end personnel to clear ...

Page 286: ... step 3 To access the PRADCH level of the MAP display type MAPCI MTC TRKS TTP PRADCH and press the Enter key 4 To post the D channels type POST GD group_name and press the Enter key where group_name is the trunk group name Example input POST GD F5678935PAV Example of a MAP display Example of a MAP response If directions to this procedure Do came from Determining the D channel state step 5 came fro...

Page 287: ...ay lists the identifier under the LANG header Note 3 When both D channels are out of service restore each channel separately The first restored D channel becomes the primary and goes into the INS state The the second restored D channel becomes the backup and goes into the STB state 7 Ask operating company personnel at the far end office to isolate and correct the problem at their end 8 If Do one D...

Page 288: ...response 9 To confirm the command type YES and press the Enter key Note The D channel state changes to manual busy 10 To return the busy D channel to service type RTS d_channel where d_channel is the D channel identifier D1 or D2 Example of a MAP response 11 For additional help contact the next level of support 12 The procedure is complete If the BSY command Do passed step 10 failed step 11 If the...

Page 289: ... to service when the far end office is out of service Definition The D channel is in the remote not responding RNR state The RNR state indicates that the far end office is not responding Log ISDN105 can generate Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perfor...

Page 290: ...ontinued Summary of Restoring far end service for a D channel Y N N N Y Y Post the RNR D channel Ask far end personnel to clear the trouble at their end Is trouble cleared and the D channel INS Manually busy the D channel Passed Return the busy D channel to service Contact next level of support Passed End This flowchart summarizes the procedure Use the instructions that follow this flowchart to pe...

Page 291: ...he MAP display type MAPCI MTC TRKS TTP PRADCH and press the Enter key 4 To post the RNR D channel type POST GD group_name and press the Enter key where group_name is the trunk group name Example input POST GD F9876035PRAPRV Example of a MAP display Example of a MAP response If directions to this procedure Do came from Determining the D channel state step 5 came from other than listed here step 3 P...

Page 292: ... D channel type BSY and press the Enter key Example of a MAP response Note The D channel state changes to MB manual busy 7 To return the D channel to service type RTS and press the Enter key Example of a MAP response 8 For additional help contact the next level of support 9 The procedure is complete If the state of the D channel Do is INS in service after the persons at the far end of fice correct...

Page 293: ...til the restoration of the D channel Only members that are INB do not remain DMB until the restoration of the D channel Logs ISDN111 ISDN112 or ISDN114 can generate An out of service D channel addresses problem conditions Normal activity continues on an in service D channel In this event you perform a procedure that clears problems on the out of service D channel only Both D channels can be out of...

Page 294: ...nels continued Summary of Returning a busy D channel to service 1 1 Post the D channels End Are the D channels INS and STB Choose an INB or MB D channel to restore Manually busy the D channel Is the D channel MB Return the busy D channel to service Passed Contact next level of support Passed Y Y Y Y N N N N This flowchart summarizes the procedure Use the instructions that follow this flowchart to ...

Page 295: ... of the MAP display type MAPCI MTC TRKS TTP PRADCH and press the Enter key 4 To post the D channels type POST GD group_name and press the Enter key where group_name is the name of the trunk group Example input POST GD F5678935PAV Example of a MAP display Example of a MAP response If directions to this procedure Do come from Determining the D channel state step 4 come from other than listed here st...

Page 296: ...u must use the same identifier D1 or D2 for all procedures and steps used to clear the chosen D channel The MAP display lists the identifier under the LANG header Note 3 When both D channels are out of service restore each channel separately The first restored D channel becomes the primary and is INS The second restored D channel becomes the backup and is STB 7 To manually busy the D channel type ...

Page 297: ...nse Note The D channel state changes to manual busy 8 To return the busy D channel to service type RTS d_channel and press the Enter key where d_channel is the D channel identifier D1 or D2 Example of a MAP response 9 For additional help contact the next level of support 10 The procedure is complete If the BSY command Do passed step 8 failed step 9 If the RTS command Do passed INS or STB state ste...

Page 298: ... state This state indicates the manual removal of the D channel from service The PRI trunk is D channel manual busy DMB The DMB PRI trunk indicates the manual removal from service of the D channel associated with the trunk group Trunk group members associated with the out of service D channel remain DMB until the restoration of the D channel Only members that are INB do not remain DMB until the re...

Page 299: ...hannel continued Summary of Returning a busy D channel to service This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure N N Y Y Y N Post the INB or MB D channel Manually busy the D channel Is the D channel MB Return the busy D channel to service Passed Contact next level of support Passed End ...

Page 300: ... of the MAP display type MAPCI MTC TRKS TTP PRADCH and press the Enter key 4 To post the installation busy or manual busy D channel type POST GD group_name and press the Enter key where group_name is the name of the trunk group Example input POST GD F9876035PRAPRV Example of a MAP display Example of a MAP response If directions to this procedure Do came from Determining the D channel state step 4 ...

Page 301: ...nnel type BSY and press the Enter key Example of a MAP response Note The D channel state changes to manual busy MB 7 To return the D channel to service type RTS and press the Enter key Example of a MAP response 8 For additional help contact the next level of support 9 The procedure is complete If the state of the D channel Do is INB installation busy step 6 is MB manual busy step 7 If the BSY comm...

Page 302: ...l to service Definition The PRI trunk is installation busy INB INB indicates that the PRI trunk is installed but is not in service The PRI trunk can be manual busy MB A PRI trunk that is MB is an indication of the manual removal of the PRI trunk from service Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as ...

Page 303: ...k to service Post the INB or MB PRI trunk Manually busy the PRI trunk PRI trunk state MB Return the busy PRI trunk to service Passed Determine the D channel state Passed Return the busy PRI trunk to service End Contact next level of support Passed N N N N Y Y Y Y This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure ...

Page 304: ...TP level of the MAP display type MAPCI MTC TRKS TTP and press Enter 4 To post the installation busy or manual busy PRI trunk type POST G group_name and press Enter where group_name is the name of the trunk group Example input POST G F1AAA105IPTLA Example of a MAP display Example of a MAP response If the system directed you to this procedure from Do Determining the PRI trunk state step 5 other than...

Page 305: ...to service type RTS and press Enter Example of a MAP response 8 Perform the procedure Determining the D channel state ISDN PRI single D channel in this document When the procedure is complete go to step 10 9 Perform the procedure D channels Determining the D channel state ISDN PRI primary and backup in this document When the procedure is complete return to this point If the state of the PRI trunk ...

Page 306: ...T0015 and up Returning a busy PRI trunk to service ISDN PRI trunk end 10 To return the PRI trunk to service type RTS and press Enter Example of a MAP response 11 For additional help contact the person responsible for the next level of support 12 The procedure is complete If the RTS command Do passed step 12 failed step 11 STATE CHANGED ...

Page 307: ...sembly for example a power converter Use the procedure to return the card or assembly to Northern Telecom for repair or replacement in Canada Interval Perform this procedure as required Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure ...

Page 308: ... card or assembly in Canada continued Summary of Returning a card or assembly in Canada This flowchart summarizes the procedure Use the instructions in the step action table that follows this flowchart to perform the procedure Complete a return tag for each item Pack item carefully Return carton to NT Attach a copy of each tag to each item Address carton End ...

Page 309: ...release used at the time of replacement if necessary include peripheral module PM software load name description of the failure and action taken for repairs the code that describes the fault name of your company office identifier code your name site name 3 Call the following number for help to complete the return label days 416 454 2808 or 1 800 668 5511 evenings 416 457 9555 4 Attach one copy of ...

Page 310: ...e that packing paper encloses each card or assembly bubble pack or foam surrounds each card or assembly the carton secures each card or assembly to prevent movement of the contents during shipment 8 Address the carton to Northern Telecom Canada LimitedCustomer Service Operationsc o Wes Bell TransportUnit 3 Door 41630 Trinity RoadMississauga OntarioL5T 1L6 9 Return the carton to Northern Telecom 10...

Page 311: ...sembly for example a power converter Use this procedure to return the card or assembly to Northern Telecom for repair or replacement in Germany Interval Perform this procedure as required Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure ...

Page 312: ...ard or assembly in Germany continued Summary of Returning a card or assembly in Germany This flowchart summarizes the procedure Use the instructions in the step action table that follows this flowchart to perform the procedure Complete a return tag for each item Pack item s carefully Return carton to NT Attach a copy of each tag to each item Address carton End ...

Page 313: ...are load name description of the failure and action taken for repairs the code that describes the fault name of your company office identifier code your name site name 3 Attach one copy of the return label for each item you return 4 Keep the other copies of the label for your records 5 Pack the card or assembly in a Northern Telecom shipping carton Seal the carton 6 Use any acceptable carton Ensur...

Page 314: ...n This procedure applies to a circuit card or an assembly for example a power converter Use this procedure to return the card or assembly to Northern Telecom for repair or replacement in Japan Interval Perform this procedure as required Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure ...

Page 315: ...continued Summary of Returning a card or assembly in Japan This flowchart summarizes the procedure Use the instructions in the step action table that follows this flowchart to perform the procedure Complete a return tag for each item Pack item s carefully Return carton to NT Attach a copy of each tag to each item Address carton End ...

Page 316: ... name description of the failure and action taken for repairs the code that describes the fault name of your company office identifier code your name site name 3 Call the number 03 5696 0302 for help to complete the return label 4 Attach one copy of the return label 5 Keep the other copies of the label for your records 6 Pack the card or assembly in a Northern Telecom shipping carton Seal the cart...

Page 317: ...1 302 Trouble locating and clearing procedures continued 297 8021 544 Standard 14 02 May 2001 Returning a card or assembly in Japan end 10 The procedure is complete ...

Page 318: ...ication This procedure applies to a circuit card or an assembly for example a power converter Use this procedure to return the card or assembly to Northern Telecom for repair or replacement in the United States Interval Perform this procedure as required Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perfor...

Page 319: ...continued Summary of Returning a card or assembly in the United States of America This flowchart summarizes the procedure Use the instructions in the step action table that follows this flowchart to perform the procedure Complete a return tag for each item Pack item s carefully Return carton to NT Attach a copy of each tag to each item Address carton End ...

Page 320: ...g code PEC serial number release number BCS software release used at the time of replacement if necessary include peripheral module PM software load name description of the failure and action taken for repairs the code that describes the fault name of your company office identifier code your name site name 3 In the USA call 919 992 3333 or 1 800 347 4850 repair or return service for help to comple...

Page 321: ...carton Ensure that packing paper encloses each card or assembly bubble pack or foam surrounds each card or assembly the carton secures each card or assembly to prevent movement of the contents during shipment 8 Address the carton to Northern Telecom Inc Spare Parts Center4600 Emperor BoulevardMorrisville NC27560 9 Return the carton to Northern Telecom 10 The procedure is complete ...

Page 322: ...ervice If the LIM is system busy it will have an alarm associated with one or more of its units Refer to the Alarm and Performance Monitoring Procedures in order to clear the alarm and return the LIM to service Definition The LIM is out of service when manual busy or offline Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use ...

Page 323: ...ice continued Summary of Returning a LIM to service This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Manually busy LIM Is LIM offline Is LIM manual busy Return LIM to service Contact next level of support Passed End Passed Y Y Y N N N N Y ...

Page 324: ...ST LIM OFFL and press Enter 3 Choose an off line LIM to work on 4 Determine from office records or an office person the reason that the LIM is offline When possible continue this procedure 5 To manually busy the offline LIM type BSY PM and press Enter 6 To return the LIM to service type RTS PM and press Enter 7 To determine if manual busy LIMs are present type POST LIM MANB If the posted set Do co...

Page 325: ...fice records or from an office person why the LIM is manual busy When possible continue with the procedure 10 To return the manual busy LIM to service type RTS PM and press Enter 11 For additional help contact the person responsible for the next level of support 12 The procedure is complete If the posted set Do contains ManB LIMs step 8 is empty step 12 If the RTS command Do passed step 12 failed ...

Page 326: ...n an NTEX26AA channelized access link link fault sectionalization CCS7 bit error rate test C7BERT inject bit errors during C7BERT Definition Tests of bit error rate measure the quality of a CCS7 digital transmission path Run a C7BERT in the following conditions before a CCS7 signaling link goes into service when isolating faults Common procedures There are no common procedures Action This procedur...

Page 327: ... This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Contact next level of support Perform C7BERT Test successfully completed Instructed to return link to service Return the link to service End Is the link in the proper state Put the link in the proper state Y N Y N N Y ...

Page 328: ...and press Enter Example of a MAP response 4 To post the linkset that includes the link you want to test type POST C linkset_name and press Enter where linkset_name is the name of the linkset as defined in table C7LKSET ATTENTION To run link fault sectionalization LFS the SOC option TEL0007 must have the RTU set to Y and the state set to on ATTENTION If link fault sectionalization LFS is activated ...

Page 329: ...s Enter Example of a MAP display 8 To post the LIU7 type POST LIU7 liu7_no and press Enter Note The number of the LIU7 appears under the Resource header of the MAP display In the example in step 4 the LIU7 that connects to link1 is 13 where If the linkset Do has more than 4 entries step 5 has 4 or less than 4 entries step 6 If the LIU7 state Do is SysB or OffL step 7 is ManB step 10 is InSv or IST...

Page 330: ... LIU7 type PMRESET and press Enter 11 To return the LIU7 to service type RTS and press Enter 12 To access the C7LKSET level of the MAP display type CCS CCS7 C7LKSET and press Enter Example of a MAP response If the BSY command Do passed step 10 failed step 66 If the PMRESET command Do passed step 11 failed step 66 If the RTS command Do passed return to C7LKSET level of MAP failed step 66 LIU7 13 In...

Page 331: ...ctivate the link type DEACT link_no FORCE and press Enter where link_no is the number of the link you want to deactivate 0 to 15 Note The response can take 10 minutes Wait for the status to change InSv and confirm that the link is deactivated 16 To access the C7BERT level of the MAP display type C7BERT and press Enter If the traffic state Do is ManB step 15 is other than listed here step 14 If the...

Page 332: ...the person must busy and deactivate the link at their end If the next step is to perform Do a local loopback step 18 a remote loopback step 19 a link fault sectionalization step 67 If the response Do is This command is not implemented step 22 is Link nn Failed PM not equipped with 9X78DA or 9X78DB step 22 is Link 1 Failed C7BERT already ac tive on this link step 23 is Link 1 Loopback Local on comp...

Page 333: ...est 0 to 15 If the response Do is This command is not implemented step 22 is Link 1 Failed C7BERT already active on this link step 23 is Link 1 Loopback Re mote On completed step 30 is Link 1 Failed PM LOOP Local is al ready active step 48 is Link 1 Failed PM LOOP Remote is al ready active step 49 is Failed Cannot seize trunk Check the corresponding DTC and retry the remote loopback is Failed Cann...

Page 334: ...pply manual loopbacks to the network elements that you will test 25 To determine if a set stop time exists type SETSTOP link_no STATUS and press Enter where link_no is the number of the link 0 to 15 that the C7BERT runs on 26 To clear the stop time type SETSTOP link_no CLEAR and press Enter is other than listed here step 66 If Do you want to run a C7BERT step 24 other than listed here step 66 If t...

Page 335: ... THU FRI SAT or SUN hours is the hour you want the test to stop automatically 0 to 23 minutes is the minute you want the test to stop automatically 00 to 59 Example input SETSTOP 3 SET MON 10 30 Note The example entry sets the stop time for link 3 on every Monday at 10 30 a m 28 Determine if the stop time is correct 29 Wait until the C7BERT stops Go to step 45 If the response Do is Stop time clear...

Page 336: ... link_no and press Enter where link_no is the number of the tested link 0 to 15 Example of a MAP response If the response Do is Link n C7BERT started step 31 is Link n Failed Link state is invalid for C7BERT Link must be ManB and DAct or LFS step 6 is other than listed here step 66 If the response Do is a display of C7BERT statistics step 32 is other than listed here step 66 query 1 Link 1 C7BERT ...

Page 337: ...automatically at a preset time Decide the action you want to take Note If a switch restart occurs when a C7BERT runs on a link the test stops automatically If the LIU7 for the link fails the test also stops automatically 34 To display C7BERT results type QUERY link_no and press Enter where link_no is the number of the tested link 0 to 15 Example of a MAP response If Transmitted Tx Frames Do are pr...

Page 338: ...sted in step 30 Example of a MAP response 37 To display the result of bit error injection type QUERY link_no and press Enter where link_no is the number of the tested link 0 to 15 Example of a MAP response If the response Do is a display of test statistics step 35 is other than listed here step 66 If the response Do is Link 1 INJECT ERROR completed step 37 is Link n Failed C7BERT is not active on ...

Page 339: ... where link_no is the number of the link 0 to 15 that the C7BERT runs on 41 To clear the last report interval type REPORT link_no OFF and press Enter where If the response Do is a display of test statistics step 38 is other than listed here step 66 If the difference Do is 6 step 33 is other than listed here step 66 If the response Do is Link nn Report interval al ready set at mm times per hour ste...

Page 340: ... hour 1 to 12 Example input REPORT 1 ON 6 43 Determine if the report interval is correct 44 Stop the C7BERT that exists type STOP link_no and press Enter where link_no is the number of the link 0 to 15 that the C7BERT runs on Note The STOP command overrides any preset stop time without warning If the response Do is Link nn Report interval set at is nn times per hour step 43 is other than listed he...

Page 341: ... DA DB or NTEX26AA card and you just ran a peripheral module PM local or re mote loopback If instructions required you to return the link to service step 48 or 49 the link stops on an NT9X77AA NT9X78BA CA DA DB or NTEX26AA card and you just ran a PM local or remote loopback If in structions required you to perform more tests step 48 or 49 the link does not stop on an NT9X77AA NT9X78BA CA DA DB or ...

Page 342: ... is the number of the link 0 to 15 that the C7BERT runs on 51 To clear the stop time type SETSTOP link_no CLEAR and press Enter where link_no is the number of the link that the C7BERT runs on 52 To set the stop time that is new type SETSTOP link_no SET day hours minutes and press Enter If the response Do is pmloop off 1 Link 1 Loopback Re mote off completed step 55 is other than listed here step 6...

Page 343: ... test to stop automatically 00 to 59 Example input SETSTOP 3 SET MON 10 30 Note The example entry sets the stop time for link 3 on every Monday at 10 30 a m 53 Determine if the stop time is correct 54 Wait until the C7BERT stops Go to step 45 55 To quit the C7BERT level of the MAP display type QUIT and press Enter 56 To activate the link that the C7BERT ran on type ACT link_no and press Enter wher...

Page 344: ...d in step 4 61 Contact the far end office Tell the person at that location that you are going to busy and deactivate the link in order to realign it and that the person at the far end and you must activate the link after you busied and deactivated the link Go to step 57 62 To deactivate the link type DEACT link_no FORCE and press Enter where link_no is the number of the link you activated in step ...

Page 345: ...RTS link_no and press Enter where link_no is the number of the link you activated in step 56 65 To unhibit the link type UINH link_no and press Enter where link_no is the number of the link you activated in step 56 66 For additional help contact the next level of support 67 If the ACT command Do passed step 64 failed step 66 If the RTS command Do passed step 65 failed step 66 If the UINH command D...

Page 346: ...sectionalization will initiate 1 to 16 Example input LFSLOOP START 1 DS0DP LATCH 1 68 Your next step depends on the generated response ATTENTION If link fault sectionalization LFS is activated an anomaly in the NT9X78BA and NT9X78CA cards can cause latch past to occur When the last DS0DP is a BA or CA paddle board LFS may latch past the last DS0DP link For example if the fifth and last device in a...

Page 347: ...is LFS non latching sequence initiated for element mm Run C7BERT to verify loop back at element mm step 79 is Link nn Failed C7BERT already active on this link step 72 is Link 1 Failed LFS already active on this link step 70 is Link nn Has not gone into loopback is Element mm has not responded is Link nn LFS OFF complete step 71 is Link nn Has not gone into loopback is Link nn LFS OFF complete ste...

Page 348: ...nk_no is the number of the link that you entered in step 67 Note The STOP command overrides the preset stop time without warning 73 Apply manual loopbacks to the network elements that you will test 74 To determine if a stop time is set type SETSTOP link_no STATUS and press Enter where link_no is the number of the link 0 to 15 that the C7BERT runs on 75 To clear the stop time type SETSTOP link_no C...

Page 349: ...RI SAT or SUN hours is the hour you want the test to stop automatically 0 to 23 minutes is the minute you want the test to stop automatically 00 to 59 Example input SETSTOP 3 SET MON 10 30 Note The example entry sets the stop time for link 3 on every Monday at 10 30 a m 77 Determine if the stop time is correct 78 Wait until the C7BERT stops Go to step 94 If the response Do is Stop time cleared ste...

Page 350: ...ted Tx frames exist Note The number of frames transmitted appears to the right of the Tx Frames header of the MAP display In the example in step 31 the number of frames transmitted is 19 016 If the response Do is Link n C7BERT started step 80 is Link n Failed Link state is invalid for C7BERTLink must be ManB and DAct or LFS step 6 is other than listed here step 109 If the response Do is a display ...

Page 351: ...cally 83 To display C7BERT results type QUERY link_no and press Enter where link_no is the number of the tested link 0 to 15 Example of a MAP response are not present step 109 If Do you want to request periodic re ports step 89 you want to stop the test manual ly step 93 you want to stop the test auto matically at a preset time step 74 the link connects to a NT9X78DA DB card and you want to inject...

Page 352: ...in step 79 Example of a MAP response 86 To display the result of bit error injection type QUERY link_no and press Enter where link_no is the number of the tested link 0 to 15 Example of a MAP response If the response Do is Link 1 INJECT ERROR completed step 86 is Link n Failed C7BERT is not active on this link step 79 is other than listed here step 109 If the response Do is a display of test stati...

Page 353: ..._no is the number of the link 0 to 15 that the C7BERT runs on 90 To clear the last report interval type REPORT link_no OFF and press Enter where link_no is the number of the link that the C7BERT runs on MAP response 91 To set the number of reports per hour type REPORT link_no ON number and press Enter where link_no is the number of the link 0 to 15 that the C7BERT runs on If the difference Do is 6...

Page 354: ...ns on Note The STOP command overrides any preset stop time without warning 94 Give the results to the person responsible for the next level of support If the response Do is Link nn Report interval set at is nn times per hour step 92 is other than listed here step 109 If the interval Do is correct step 82 is wrong step 90 If the response Do is Link 1 C7BERT stopped is with a display of test statist...

Page 355: ...isplay type QUIT and press Enter 99 To activate the link that the C7BERT ran on type ACT link_no and press Enter the link stops on an NT9X77AA or NT9X78BA CA DA DB card and you just ran a link fault sectionalization If instructions required you to perform more tests step 70 link does not stop on an NT9X77AA or NT9X78BA CA DA DB card step 95 other than listed here step 110 If Do instructions requir...

Page 356: ... in step 4 104 Contact the far end office Tell the person at that location that you are going to busy and deactivate the link in order to realign it and that the person and you must activate the link from both ends after you busied and deactivated the link Go to step 100 105 To deactivate the link type DEACT link_no FORCE and press Enter where link_no is the number of the link you activated in ste...

Page 357: ...n the link to service type RTS link_no and press Enter where link_no is the number of the link you activated in step 99 108 To uninhibit the link type UINH link_no and press Enter where link_no is the number of the link you activated in step 99 109 For additional help contact the person responsible for the next level of support 110 The procedure is complete If the ACT command Do passed step 107 fa...

Page 358: ...ate test for high speed links HSL C7BERT Note Do not use CARLOOP loopback test for HSLs connected to an asynchronous transfer mode ATM switch CARLOOP test for HSLs is only valid over a direct connection Definition Bit error rate testing measures the quality of a CCS7 digital transmission path Run an HSL C7BERT in the following situations before bringing a CCS7 high speed signaling link into servic...

Page 359: ...s This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Contact next level of support Perform HSL C7BERT Test successfully completed More tests required Instructed to return link to service Return the link to service Y End Is the link in the proper state Put the link in the proper state Y N Y N N N 1 2 1 2 3 3 Y ...

Page 360: ... and return the link to service at their end 3 To enter the C7LKSET level of the MAP display type MAPCI MTC CCS CCS7 C7LKSET and press the Enter key Example of a MAP response 4 To post the linkset that includes the link that you want to test type POST C linkset_name and press the Enter key where linkset_name is the name of the linkset as defined in table C7LKSET Example of a MAP response CAUTION R...

Page 361: ...r the PM level of the MAP display type PM and press the Enter key Example of a MAP display 7 To post the HLIU type POST HLIU dliu_no and press the Enter key where dliu_no is the number of the DLIU connected to the link you want to test Note The number of the DLIU is under the Resource header of the MAP display In the example in step 4 the HLIU connected to link 1 is 13 Example of a MAP response If...

Page 362: ...ey 10 To return to service the HLIU type RTS and press the Enter key 11 To post the HSLR type POST HSLR dliu_no and press the Enter key where dliu_no is the number of the DLIU associated with the HSLR you want to post IfAfter 3 min if the state of the HLIU is Do InSv step 11 SysB step 78 anything else step 78 If the BSY command Do passed step 10 failed step 78 If the RTS command Do passed step 11 ...

Page 363: ...CS7 C7LKSET and press the Enter key 16 Determine the traffic state of the link you want to test Note The traffic state of the link is visible under the Traf Stat header of the MAP display The synchronization state is visible under the Sync Stat header of the MAP display IfAfter 3 min if the state of the HSLR is Do InSv step 15 SysB step 78 anything else step 78 If the BSY command Do passed step 15...

Page 364: ...ink_no and press the Enter key where link_no is the number of the link you want to test 0 to 15 Note This action places the link into the SysB DAct state 19 To inhibit the link you want to test type INH link_no and press the Enter key where link_no is the number of the link you want to test 0 to 15 SysB SysB step 20 anything else step 19 If the BSY command Do passed step 19 failed step 78 If the R...

Page 365: ...er key where link_no is the number of the link you want to test 0 to 15 Note This action places the link into the SysB DAct state 22 To enter the C7BERT level of the MAP display type C7BERT and press the Enter key If the BSY command Do passed step 21 failed step 78 If the RTS command Do passed step 22 failed step 78 If you want to Do perform a local loopback step 23 perform a remote loopback step ...

Page 366: ...ilure of the C7BERT If you do not want to test the DS 1 carrier states go to step 39 If you want to test the DS 1 carrier states perform the Test the DS 1 carrier states procedure in this document After completing the procedure go to step 39 25 To activate a remote loopback type PMLOOP RMTON link_no and press the Enter key where link_no is the number of the link you want to test 0 to 15 perform an...

Page 367: ...TOFF link_no and press the Enter key where link_no is the number of the link you entered in PMLOOP command 27 To enter the PM level of the MAP display type PM and press the Enter key If the response is Do Link 1 Loopback Re mote On completed step 26 Link 1 Failed PM LOOP Local Re mote Enable is already active step 27 Link 1 Failed C7BERT already active on this link step 32 Link 1 Failed Link state...

Page 368: ...ter the C7BERT level of the MAP display type C7BERT and press the Enter key 32 To stop the existing HSL C7BERT type STOP link_no and press the Enter key where link_no is the number of the link you entered in step 23 or 25 Note The STOP command overrides any preset stop time without warning 33 Contact personnel at the far end to confirm that the far end signaling terminal is able to receive control...

Page 369: ...ment 34 To activate the far end DS 1 ESF loopback from your end type CARLOOP START link_no loopback_type and press the Enter key where link_no is the number of the link you want to test 0 to 15 loopback_type indicates if the loopback is line R or payload P Example input CARLOOP START 1 R 35 Your next step depends on the response 36 To stop the existing HSL C7BERT type STOP link_no and press the En...

Page 370: ...Contact personnel at the intermediate point and request a loopback 39 To start the HSL C7BERT type START link_no and press the Enter key where link_no is the number of the link you want to test 0 to 15 40 To display the test results of the HSL C7BERT type QUERY link_no PR and press the Enter key where If the response is Do Link 1 C7BERT stopped step 34 anything else step 78 If the response is Do C...

Page 371: ...on is active operating company personnel stop the test manually the test stops automatically at a pre set time Note If the switch restarts when an HSL C7BERT is running on a link the test stops automatically The test also stops automatically if the HLIU associated with the link fails If the response is Do a display of HSL C7BERT sta tistics step 41 anything else step 78 If Do any Tx frames were tr...

Page 372: ... where link_no is the number of the link on which the HSL C7BERT is running 45 To set the new stop time type SETSTOP link_no SET day hours minutes and press the Enter key where link_no is the number of the link 0 to 15 on which the HSL C7BERT is running day is the day on which you want the test to stop automatically MON TUE WED THU FRI SAT or SUN you want to stop the test auto matically at a pre s...

Page 373: ... is correct 47 Wait until the stop time Go to step 59 48 To display HSL C7BERT results type QUERY link_no PR and press the Enter key where link_no is the number of the link that you want to test 0 to 15 Example of a MAP response If the response is Do Link nn Stop time set at 19xx yy zz hh mm 00 000 ddd step 46 anything else step 78 If the stop time is Do correct step 47 incorrect step 44 If the re...

Page 374: ...link you tested in step 39 Example of a MAP response 51 To display the result of injecting bit errors type QUERY link_no PR and press the Enter key where link_no is the number of the link that you want to test 0 to 15 Example of a MAP response If the response is Do Link 1 INJECT ERROR completed step 51 Link n Failed C7BERT is not active on this link step 39 anything else step 78 If the response is...

Page 375: ...n requested type REPORT link_no STATUS and press the Enter key where link_no is the number of the link 0 to 15 on which the HSL C7BERT is running 55 To clear the previous report interval type REPORT link_no OFF and press the Enter key where link_no is the number of the link on which the HSL C7BERT is running MAP response 56 To set the number of reports per hour type REPORT link_no ON number and pr...

Page 376: ... Enter key where link_no is the number of the link 0 to 15 on which the HSL C7BERT is running Note The STOP command overrides any preset stop time without warning 59 Give the results to the personnel responsible for the next level of support Your next step depends on the instructions received from your next level of support If the response is Do Link nn Report interval set at nn times per hour ste...

Page 377: ...the Enter key where link_no is the number of the link you tested 0 to 15 62 Tell personnel at the intermediate point to remove the intermediate loopback an intermediate loopback is es tablished step 62 If the response is Do pmloop off and more tests are required step 22 pmloop off and you want to exit from C7BERT step 68 anything else step 78 If the response is Do Link n DS 1 ESF OFF complete and ...

Page 378: ...r the far end to finish testing When far end testing is complete clear the loopback state Type LOOPBK C and press the Enter key 67 To enter the C7LKSET level of the MAP display type MAPCI MTC CCS CCS7 C7LKSET and press the Enter key 68 To quit the C7BERT level of the MAP display type QUIT and press the Enter key 69 To activate the link on which the HSL C7BERT was running type ACT link_no exit from...

Page 379: ... end office connects to the linkset posted in step 4 74 Contact the far end office Tell the personnel there that you will reactivate the link 75 Tell personnel at the far end office to activate the link 76 To activate the link from your end type ACT link_no and press the Enter key where link_no is the number of the link you activated in step 69 If the ACT command Do passed step 70 failed step 78 I...

Page 380: ...r high speed links end 77 To uninhibit the link type UINH link_no and press the Enter key where link_no is the number of the link you activated in step 69 78 For additional help contact the personnel responsible for the next level of support 79 You have completed this procedure failed step 78 If the UINH command Do passed step 79 failed step 78 If the ACT command Do ...

Page 381: ...owchart provides an overview of the procedure Follow the list of steps to perform the procedure Tools This procedure requires one blank formatted disk Note The TOPS MPX release MPX00200 contains a large number of new terminal options The DEFOPT utility defines the terminal options The DAS OPT file stores the options The DAS OPT file from versions that precede MPX00200 cannot propagate to MPX00200 ...

Page 382: ...leges and option definitions continued Summary of Saving key screen Status messages command privileges and option definitions Saving key screen status messages command provileges and option Key and option definitions installed Access DOS Insert blank disk in drive Perform DOS COPY command Remove disk and press RESET key sequence End of procedure Perform installing key and option definitions Y N ...

Page 383: ...on definitions The first installation procedure destroys any previous key or option definitions You must save keys and options defined on a disk before you perform the installation procedure If Do The user did not install key screen Status messages com mand privileges or option defi nitions Go to Installing key screen sta tus messages command privi leges and option definitions procedure to make th...

Page 384: ...e file from the disk This file must be on the hard disk of ONLY ONE screen server position for each token ring Insert a blank formatted disk in Drive A Type the following string COPY DAS a and press the DOS ENTER key To save all 20 max screen files type the following COPY SCR A and press the DOS ENTER key After you complete this copy process for all the files remove the disk and store for future u...

Page 385: ... schedule a routine exercise REx test for a link interface module LIM Definition The REx test schedule must include the LIMs that are new in the system Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure ...

Page 386: ...me 2 of 2 LET0015 and up Scheduling an automatic REx test continued Summary of Scheduling an automatic REx test This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Activate REx test Change values as required Include LIMs in REx test schedule End ...

Page 387: ...t 1 30 is the start time of the REx test on the 24 h clock 3 30 is the end time of the REx test on the 24 h clock 3 To display the fields and tuples type LIST and press Enter Example of a MAP response 4 To specify that you want to change office parameter NODEREXCONTROL type CHANGE and press Enter MAP response 5 To continue to process type Y and press Enter Example of a MAP response 6 To activate a...

Page 388: ...mple input Y 02 30 04 30 Example of a MAP response 7 To confirm the change type Y and press Enter Example of a MAP response 8 To quit from the table editor and return to the CI level of the MAP display type QUIT and press Enter 9 To post the LIM that you want to include in the REx test type MAPCI MTC PM POST LIM lim_no and press Enter where lim_no is the number of the first LIM that you will post ...

Page 389: ...97 8021 544 Standard 14 02 May 2001 Scheduling an automatic REx test end 10 To include the posted LIM in the REx test schedule type REX ON and press Enter Example of a MAP response 11 The procedure is complete LIM x UNIT y has been included in the REX Schedule ...

Page 390: ...tch units with CCS7 and trunk test position TTP improvements for trunks that use CCS7 signaling ISUP trunks To correct state mismatches the trunk audit runs on all ISUP trunks one time a day In table OFCENG office parameter CIRCUIT_QUERY_AUDIT_START_TIME specifies ISUP trunk audit time Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of...

Page 391: ...2001 Scheduling ISUP trunk audits continued Summary of Scheduling ISUP trunk audits This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Access table OFCENG Change the value of CIRCUIT_ QUERY AUDIT_ START_TIME End ...

Page 392: ...and press Enter Example of a MAP response 3 To display the tuple with headers type LIST and press Enter Example of a MAP response Note In the MAP example 2 0 is the current ISUP trunk audit start time in hours 0 to 23 and minutes 0 to 59 4 Decide if you want to change the ISUP trunk audit start time CAUTION Possible loss of service Ensure table TRKSGRP is datafilled to include the ISUP trunks on w...

Page 393: ...mple of a MAP response Note The value will apply when the audit that uses the old value runs one time In other words the next audit will run at the old time the new time is for the audit of the next day 7 To quit from the table type QUIT and press Enter 8 The procedure is complete requires change step 5 CAUTION Possible loss of service or system degradation Ensure the new ISUP trunk audit start ti...

Page 394: ...UP per call continuity test Application Use this procedure to install an ISDN user part ISUP per call continuity test Definition A per call continuity test validates the speech part of a trunk that has CCS7 signaling Note The change to table TRKSGRP does not occur until the trunk busies and returns to service Common procedures There are no common procedures Action ...

Page 395: ...y test This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Access table TRKSGRP Change the value of subfield COTREQ End CAUTION Possible loss of service Ensure that table TRKSGRP is datafilled to include the ISUP trunks needed to perform the audit Run the ISUP audit For more information on table TRKSGRP refer to the dat...

Page 396: ...identifier CLLI name of the subgroup subgroup_no is the number of the subgroup 0 or 1 Example of a MAP response 3 To indicate that you want to change the tuple type CHANGE and press Enter Example of a MAP response 4 Press Enter until the MAP response is COTREQ Example of a MAP response 5 To specify the percentage of calls that you want performed for the per call continuity test type new_value and ...

Page 397: ... To indicate that you changed the tuple type and press Enter Example of a MAP response 8 To confirm the change type Y and press Enter 9 To quit from the table type QUIT and press Enter 10 The procedure is complete TUPLE TO BE CHANGED BRABRAEOIS 0 DS1SIG C7UP OG N N UNEQ NONE Q764 THRL 50 DMSNODE NIL ENTER Y TO CONFIRM N TO REJECT OR E TO EDIT ...

Page 398: ...asurements OM group C7LINK1 The software prints the peg counts in log report CCS198 The report indicates if faults exceed one of the thresholds set in table OFCVAR If office parameter C7_SLMPR_ALARM_ON of table OFCVAR is ON a linkset small alarm raises for the link The location of the link is the CCS level of the MAP display Note If the report will include a signaling link the link must assign opt...

Page 399: ...ued 297 8021 544 Standard 14 02 May 2001 Setting up the signaling link marginal performance report continued Common procedures There are no common procedures Action This procedure contains a flowchart and a list of steps required to perform the procedure ...

Page 400: ...performance report continued Summary of Setting up the signaling link marginal performance report This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Ensure office parameter value correct in table OFCVAR Add CCS198 log to table LOGCLASS Add new class to table LOGDEV Print log CCS198 using LOGUTIL software End ...

Page 401: ...evel of the MAP type QUIT ALL and press Enter 4 To access table OFCVAR type TABLE OFCVAR and press Enter 5 To position on the office parameter C7_SLMPR_ALARM_ON type POSITION C7_SLMPR_ALARM_ON and press Enter Example of a MAP response 6 Determine the value of the office parameter 7 To change the value of the field to Y type CHANGE 2 Y and press Enter Example of a MAP response 8 To confirm the comm...

Page 402: ...To delete all registers from group C7LINK1 type OMACCFLD C7SLMPR C7LINK1 DELETE ALL and press Enter 13 To add field C7SUERR type OMACCFLD C7SLMPR C7LINK1 ADD FIELD C7SUERR and press Enter 14 To add field C7NACKRX type OMACCFLD C7SLMPR C7LINK1 ADD FIELD C7NACKRX and press Enter 15 To add field C7AUTOCO type OMACCFLD C7SLMPR C7LINK1 ADD FIELD C7AUTOCO and press Enter 16 To access table OMACC type TA...

Page 403: ...C00 Example of a MAP response To confirm the editing of the tuple type Y and press Enter Example of a MAP response Go to step 24 21 To change the value to Y type CHANGE 2 Y and press Enter Example of a MAP response 22 To confirm the command type Y and press Enter Example of a MAP response 23 To quit from table OMACC type QUIT and press Enter 24 To access table LOGCLASS type TABLE LOGCLASS If the v...

Page 404: ...response Note In the MAP response the number of the last class is the last number in the CLASS column 27 To add the CCS198 log to a new class in the table type ADD and press Enter Example of a MAP response 28 To enter the log name and report number type CCS198 0 and press Enter Example of a MAP response 29 To enter the new class number 1 greater than the last class listed in the table as noted in ...

Page 405: ...ression type N and press Enter Example of a MAP response 32 To enter the time units for a threshold report type 0 and press Enter Example of a MAP response 33 To respond to the MAP prompt type N and press Enter Example of a MAP response 34 To confirm the changes type Y and press Enter 35 To quit from the table type QUIT and press Enter 36 To access table LOGDEV type TABLE LOGDEV and press Enter Ex...

Page 406: ... printer that will print the log Note The name assigned in table TERMDEV must identify the printer Example of a MAP response 39 To specify an alternate printer in case the printer specified in step 38 fails type printer2 and press Enter where printer2 is the name of an alternate printer that will print the log Note If an alternate printer is not available enter NIL Example of a MAP response 40 To ...

Page 407: ...eed device is not necessary type N and press Enter Example of a MAP response 44 To confirm the changes type Y and press Enter 45 To quit from table LOGDEV type QUIT and press Enter 46 To access the LOGUTIL software type LOGUTIL and press Enter 47 To start to print log CCS198 on the printer type STARTDEV printer_name and press Enter where printer_name is the printer you specified in table LOGDEV in...

Page 408: ...ring procedures continued 1 393 DMS 100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up Setting up the signaling link marginal performance report end Go to step 49 49 The procedure is complete ...

Page 409: ...d softkey definitions As a result the softkeys on the set do not function correctly Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure Note The CLASS modem resource CMR card NT6X78 can go out of service in the active unit If the card goes ou...

Page 410: ...ctions in the procedure that follows this flowchart to perform the procedure Access the PM level of the MAP display all ISTb PM units and query for faults Query PM counters and note CMR load name Access the inventory table for the PM LTCINV or RCCINV and note the CMR load name Does the CMR load name match the name in the inventory table Does CMR DATA MISMATCH WITH CC appear 3 2 Y Y N N Busy the CM...

Page 411: ... the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Is load successful 2 Replace card using Card Replacement Procedures Load CMR card Ensure CMR card load name in table PMLOADS matches load name in table LTCINV or table RCCINV Is load successful Load CMR card again Contact next level of support Y Y N N 3 4 Is RTS successful RTS the CMR card in ...

Page 412: ...for the CMR card The following card list is a standard message that refers to a CMR card that is out of service 5 Check the card list for the CMR card 6 Use the Card Replacement Procedures manual to replace the CMR card 7 Perform PM maintenance If response Do is CLASS MODEM RESOURCE CARD NT6X78 OUT OF SERVICE step 4 CMR DATA MISMATCH WITH CC step 8 CMR LOAD MISMATCH WITH INVENTORY TABLE step 11 is...

Page 413: ... in the inventory table 11 To busy the CMR card type bsy UNIT unit_no CMR and press the Enter key where If CMR load name in PM Do matches the CMR load name in the inventory table step 18 does not match the CMR load name in the inventory table step 11 CAUTION Loss of Service A BSY of the CMR card on the active unit of the PM affects CLASS services CLASS services that use the card cannot function Un...

Page 414: ...C CMR and press Enter where unit_no is the number of the PM unit 0 or 1 Note CMR is an optional parameter that means to load only the CMR card Follow the directions in the table 13 Verify that the CMR card can load To use the QUERYPM CNTRS command to determine the CMR load name type QUERYPM CNTRS and press Enter Example of a MAP response If Do the loading completes correctly step 13 CMR FAILED TO ...

Page 415: ...he CMR card 16 To return the CMR card to service type RTS UNIT unit_no CMR and press Enter where unit_no is the number of the PM 0 or 1 CMR is an optional parameter that means to return to service only the CMR card The following card list is a standard message for a CMR card failure If load Do passes step 16 fails step 18 Unsolicited MSG limit 250 Unit 0 0 Unit 1 0 Unit 0 RAM Load ECL05AY EEPRom V...

Page 416: ...ional help contact the person responsible for the next level of support 19 The procedure is complete If RTS Do passes step 19 fails and the CMR card is on the card list step 17 If Do a first time replacement of the CMR card step 6 replaced CMR card already step 18 RTS Failed TESTALL Diagnostic TESTALL failed Fail message received from PM Replace the Cards in the Card List and applicable Paddleboar...

Page 417: ...s transfer mode ATM cells LOS loss of signal which indicates that the cards do not receive the DS 1 carrier signal LOF loss of framing which indicates that the cards receive the DS 1 carrier signal but the framing of the signal is corrupted LCD loss of cell delineation which indicates that the DS 1 cards do not receive any ATM cells AIS alarm indication signal which indicates that a DS 1 carrier f...

Page 418: ... carrier states continued Summary of Test the DS 1 carrier states This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure Test the carrier states in different conditions Are the carriers in the proper states End Contact your next level of support N Y Have you completed all tests Y N 1 1 ...

Page 419: ...ier states 3 Pull the Rx cable at the local end and check the carrier states 4 Plug in the Rx and Tx cables and pull out the Tx cable at the outgoing channel bank at the local end Check the carrier states If the carrier states are Do InSv at the local end and InSv at the remote end step 2 anything else step 7 If the carrier states are Do RAI at the local end and LOS at the remote end step 3 anythi...

Page 420: ...e local end Check the carrier states 6 Plug in the cables and check the carrier states 7 For help contact your next level of support 8 You have completed this procedure Return to the Running a C7BERT for high speed links procedure If the carrier states are Do LCD at the local end and LCD at the remote end step 6 anything else step 7 If the carrier states are Do InSv at the local end and InSv at th...

Page 421: ...rum Peripheral Module SPM carrier connection using the MAP procedures Definition Perform the specific steps located in the action section to test a faulty SPM carrier Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure ...

Page 422: ...a test of the SPM carrier How to activate a test of the SPM carrier At the MAP terminal 1 Access the PM screen level of the MAP display by typing MAPCI MTC PM and pressing the Enter key 2 Access the trunks level by typing TRKS and pressing the Enter key The following is an example of an TRKS screen End Contact next level of support Passed Y N Access trunks from MTC Access carrier Test carrier Post...

Page 423: ... an SPM carrier continued 3 Select the carrier by typing CARRIER and pressing the Enter key The following is an example of a Carrier screen CM MS IOD Net PM CCS Trks Ext APPL CM Flt Clock OM B LOAD 2DTC 33CC SBS AF 3 TTP 6 CARRIER 7 TRKSTRBL 9 11 14 16 Trks TRKS TRKS 0 Quit 2 STAT 4 ATT 5 8 10 12 13 15 ...

Page 424: ...s the SPM screen by typing POST SPM spm_no and pressing the Enter key where spm_no is the number of the SPM 0 to 63 The following is an example of a posted screen CM MS IOD Net PM CCS Trks Ext APPL CARRIER 0 Quit 2 Post 3 4 5 6 7 8 9 10 11 Disp 12 13 14 15 16 17 18 CLASS ML OS ALM SYSB MANB UNEQ OFFL CBSY PBSY INSV TRUNKS 4 0 17 13 22 0 100 9 0 38 TIMING 2 0 2 0 0 0 0 0 0 2 CARRIER 14 12 ...

Page 425: ...ng TST carrier_no and pressing the Enter key where carrier_no is the number of the carrier 0 to 4 The following is an example of a posted screen with the test results CM MS IOD Net PM CCS Trks Ext APPL POST 0 Quit 2 Post 3 4 5 Loop 6 Tst_ 7 Bsy_ 8 RTS_ 9 Offl_ 10 11 Disp 12 Next 13 14 Detail 15 ListAlm_ 16 17 Perfmon 18 CLASS ML OS ALRM SysB ManB UNEQ OFFL CBSY PBSY INSV TRUNKS 0 0 0 0 0 0 0 0 0 1...

Page 426: ...creen by typing QUIT ALL and pressing the Enter key CM MS IOD Net PM CCS Trks Ext APPL POST 0 Quit 2 Post 3 4 5 Loop 6 Tst_ 7 Bsy_ 8 RTS_ 9 Offl_ 10 11 Disp 12 Next 13 14 Detail 15 ListAlm_ 16 17 Perfmon 18 CLASS ML OS ALRM SysB ManB UNEQ OFFL CBSY PBSY INSV TRUNKS 0 0 0 0 0 0 0 0 0 1254 TIMING 2 0 2 0 0 0 0 0 0 2 HSCARR 0 0 0 0 0 0 0 0 0 358 OC3S N CLASS SITE SPM OC3RM OC3S STS3L CKT STATE TR MA ...

Page 427: ...e SPM using the MAP procedures Definition Perform the specific steps located in the action section to test a faulty CEM Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure Summary of how to test the SPM CEM End Contact next level of support Passed ...

Page 428: ...reen 3 Access the CEM card by typing SELECT cem_no and pressing the Enter key where cem_no is the number of the CEM card 0 or 1 The following is an example of a CEM screen CM MS IOD Net PM CCS Lns Trks Ext APPL SPM 0 Quit 2 Post_ 3 ListSet 4 ListRes 5 Trnsl 6 7 8 9 10 11 Disp_ 12 Next 13 Select_ 14 QueryPM 15 ListAlm_ 16 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 SPM 11 INS...

Page 429: ...creen with the test results CM MS IOD Net PM CCS Lns Trks Ext APPL CEM 0 Quit 2 3 Listset 4 5 Trnsl 6 Tst 7 Bsy 8 RTS 9 Offl 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 CEM 0 0 0 0 0 1 SPM 11 CEM 0 Act INSV Loc Row C FrPos 4 ShPos 6 ShId 0 Slot 7 Default Load SPMLOAD Clock Input Ref Internal Source C Side 0 Curr...

Page 430: ...the MAP screen by typing QUIT ALL and pressing the Enter key CM MS IOD Net PM CCS Lns Trks Ext APPL CEM 0 Quit 2 3 Listset 4 5 Trnsl 6 Tst 7 Bsy 8 RTS 9 Offl 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 CEM 0 0 0 0 0 1 SPM 11 CEM 0 Act INSV Loc Row C FrPos 4 ShPos 6 ShId 0 Slot 7 Default Load SPMLOAD Clock Input ...

Page 431: ...M using the MAP procedures Definition Perform the specific steps located in the action section to test a faulty DSP RM Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure Summary of how to activate a test of the SPM DSP RM End Contact next level of...

Page 432: ...mple may not reflect your SPM screen 3 Access the DSP card by typing SELECT DSP dsp_no and pressing the Enter key where dsp_no is the number of the DSP 0 to 27 CM MS IOD Net PM CCS Lns Trks Ext APPL SPM 0 Quit 2 Post_ 3 ListSet 4 ListRes 5 Trnsl 6 7 8 9 10 11 Disp_ 12 Next 13 Select_ 14 QueryPM 15 ListAlm_ 16 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 SPM 11 INSV Loc Site H...

Page 433: ...following is an example of a DSP RM screen with the test submitted CM MS IOD Net PM CCS Lns Trks Ext APPL DSP 0 Quit 2 3 ListSet 4 ListRes 5 6 Tst 7 Bsy 8 RTS 9 Offl 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 DSP 0 0 0 0 0 1 SPM 11 DSP 0 Act INSV Loc Row A FrPos 0 ShPos 20 ShId 0 Slot 2 Prot Grp 1 Default Load ...

Page 434: ...o the CI level of the MAP screen by typing QUIT ALL and pressing the Enter key CM MS IOD Net PM CCS Lns Trks Ext APPL DSP 0 Quit 2 3 ListSet 4 ListRes 5 6 Tst 7 Bsy 8 RTS 9 Offl 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 DSP 0 0 0 0 0 1 SPM 11 DSP 0 Act INSV Loc Row A FrPos 0 ShPos 20 ShId 0 Slot 2 Prot Grp 1 D...

Page 435: ...MAP procedures Definition Perform the specific steps located in the action section to test a faulty OC3 interface module Common procedures None Action This procedure contains a summary flowchart and a list of specific steps Use the flowchart as an overview of the procedure Follow the specific steps to perform the procedure Summary of testing an SPM OC3 interface module End Contact next level of su...

Page 436: ...ct your SPM screen 3 Access the OC3 card by typing SELECT oc3_no and pressing the Enter key where oc3_no is the number of the OC3 card 0 or 1 The following is an example of an OC3 screen CM MS IOD Net PM CCS Lns Trks Ext APPL SPM 0 Quit 2 Post_ 3 ListSet 4 ListRes 5 Trnsl 6 7 8 9 10 11 Disp_ 12 Next 13 Select_ 14 QueryPM 15 ListAlm_ 16 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0...

Page 437: ...le shows an OC3 interface module screen with the test results CM MS IOD Net PM CCS Lns Trks Ext APPL OC3 0 Quit 2 3 ListSet 4 5 6 Tst 7 Bsy 8 RTS 9 OffL 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 OC3 0 0 0 0 0 1 SPM 11 OC3 0 Act INSV Loc Row A FrPos 0 ShPos 6 ShId 0 Slot 9 Prot Grp 1 Default Load OC3LOAD Prot R...

Page 438: ...procedure Return to the CI level of the MAP screen by typing QUIT ALL and pressing the Enter key CM MS IOD Net PM CCS Lns Trks Ext APPL OC3 0 Quit 2 3 ListSet 4 5 6 Tst 7 Bsy 8 RTS 9 OffL 10 LoadMod 11 12 Next 13 Select_ 14 QueryMod 15 ListAlm 16 Prot 17 18 SysB ManB OffL CBsy ISTb InSv PM 0 0 0 0 0 1 SPM 0 0 0 0 0 1 OC3 0 0 0 0 0 1 SPM 11 OC3 0 Act INSV Loc Row A FrPos 0 ShPos 6 ShId 0 Slot 9 Pro...

Page 439: ......

Page 440: ...e unit controls the operation of the relays in the same unit s power converter With both units of a LCM in service unit 1 has no access to the line card in drawer 0 slot 0 Therefore the first thing that happens in the COVREX is that unit 0 goes SYSB so that unit 1 has access to the line card in drawer 0 slot 0 After the voltages from unit 1 have been tested unit 0 is returned to service Unit 0 the...

Page 441: ...y where frame is the frame number 00 to 99 unit is the frame pair number 0 to 1 3 Perform the test by typing TST COVREX QUERY and pressing the Enter key Example response for passing test LCM HOST 00 0 COVREX test is ON Recent LCM COVREX Results Unit0 Unit1 PWR CRD SHORT 7 7 EXPECTED 12 to 0 RING GEN 48 48 EXPECTED 55 to 38 PWR CRD OPEN 49 49 EXPECTED 38 to 55 COIN COLLECT 130 128 EXPECTED 115 to 1...

Page 442: ...ration of ANI and COIN voltages continued PWR CRD SHORT 7 7 EXPECTED 12 to 0 RING GEN 48 48 EXPECTED 55 to 38 PWR CRD OPEN 14 14 EXPECTED 38 to 55 COIN COLLECT EXPECTED 115 to 140 COIN RETURN EXPECTED 140 to 115 Last LCM COVREX test was MON 2001 10 29 at 16 25 16 FAILED 4 Determine if the test passed If the test Do passed Step 6 failed Step 5 ...

Page 443: ... 6 Trouble locating and clearing procedures 297 8021 544 Standard 16 01 May 2003 Testing the operation of ANI and COIN voltages continued 5 Using the table below determine why the test failed ...

Page 444: ...B to Unit 0 50B 54B shorted BP pins same as BP to BP pins plus U0 47B 0 1 7 7 48 48 48 F 130 130 RG1 RG1 Cable RG1 32 U1 48B shorted BP pin U1 48B 0 1 7 7 48 48 48 48 130 F 130 RG1 RG1 cable RG1 36 U1 48A shorted BP pin U1 48A 0 1 7 7 48 48 48 48 130 130 130 F RG1 RG1 cable RG1 34 U1 47A shorted BP pin U1 47A 0 1 F 7 48 48 130 130 6X53s shorted BP pins U0 50B 59B and U1 50B 59B 0 1 7 7 F 48 48 130...

Page 445: ... started but never made it to the point where it collected voltage readings Incomplete tests can occur for a number of reasons such as the test equipment LTU or MTU was already being used by another process or incorrect data fill etc In the event this occurs simply re run the test Key F Fail LD Line Drawer LC Line Card BP Backplane RG Ring Generator TAC Test Access BIC Bus Interface Card NT6X54AA ...

Page 446: ... trouble procedure to check the external links to the database Definition A PM TPC minor alarm or major alarm occurs for an SHI link to the database In IWS Rls06 the TOPS IWS NTDA application was able to request an alarm for an external database link As of Rls09 IWS NTDA is the only application that can generate this link alarm Action This procedure contains a summary flowchart and a list of steps...

Page 447: ...be functioning to generate the alarm Check the database for proper operation using the documentation for that database The following are example items to check The database power is on The database IP address is correct or recently changed The database application software has not failed The databse datafill has changed or is not correct Check the database Check the link s to the database includin...

Page 448: ...is guide is the ping utility The Directory One System Troubleshooting Manual contains information on the link and routers The following are example items to check The router s power is on The router s software has not failed The cabling has a problem At the position 4 At the position verify that the database IP address is correct For an IWS position connected to an IWS NTDA database use the NTDA M...

Page 449: ...001 TOPS IWS Operator complaint Clearing database access trouble end 7 Attempt to return the TPC to service type RTS press the Enter key 8 Contact the next level of support for additional help 9 This procedure is complete If TPC Do returns to service step 9 does not return to service step 8 ...

Page 450: ...rocedure to clear Traffic Operator Position System TOPS Multipurpose MP keyboard trouble Definition Submit this complaint when there are problems with a keyboard Common procedures The following common procedures are referenced Removing the MP position from service integrated Placing the MP position in service integrated Action This procedure contains a flowchart and a list of steps Use the flowcha...

Page 451: ...keyboard cable Test keyboard RTS MP position Do the keys respond Test keyboard End procedure Do the keys respond End procedure Y N Y N Remove MP position from service RTS MP position Do the keys respond Y N End procedure 6 1 Remove MP position from service Test keyboard Do the keys respond Run diagnostic from TAMI N Y 2 Load diagnostics floppies at TPC Run terminal controller test from MAP Does th...

Page 452: ...clearing MP keyboard trouble continued Replace keyboard 2 Do the keys respond Run diagnostics from TAMI N Y RTS MP position Replace base controller Run diagnostics from TAMI RTS MP position Do the keys respond End procedure Y 3 4 Replace HSLI card 6 Does the test pass Escalate to next level of support Y N Run diagnostics from TAMI Do the keys respond N 5 N Escalate to next level of support End pro...

Page 453: ...P keyboard trouble At your current position 1 Perform the common procedure Removing the MP position from service integrated 2 Perform the common procedure Placing MP position from service integrated 3 Test the keyboard to determine if the keys respond At the affected MP position 4 Secure the MP keyboard cable to the base controller If the keys Do respond step 30 do not respond step 4 ...

Page 454: ...or complaint integrated Clearing MP keyboard trouble continued 5 Test the keyboard again to determine if the keys respond 6 Perform the common procedure Removing the MP position from service integrated Keyboard Base controller Keyboard connector Keyboard cable 0 Power switch AC connector Rear view MP position If the keys Do respond step 30 do not respond step 6 ...

Page 455: ...m service all of the positions associated with the TPC At the TPC 11 Insert the Diagnostic Boot floppy drive of the TPC and push the lever to lock the floppy diskette in place Note Make sure the edge with the notch is at the top and the label faces the hard disk 12 To reset the TPC move the switch on the SBC card in slot 6 down return the switch to the up position If the keys Do respond step 30 do...

Page 456: ...e disk At the TAMI 14 To run the diagnostic test on the keyboard type POSDIAG n MANKEY and press the Enter key where n is the position number 0 1 2 or 3 15 Press every key on the MP keyboard Verify that the system highlights the keys on the MP display Follow the prompts to exit the diagnostic 16 Replace the keyboard Refer to Card Replacement Procedures and return to this point 17 To run the diagno...

Page 457: ...nter MAPCI MTC PM POST TPC x and press the Enter key where x is the TPC number b Enter MP POST P n and press the Enter key where n is the MP position number 0 1 2 or 3 20 To run the terminal controller test from the MAP type TST TERM and press the Enter key 21 Replace the position base Refer to Card Replacement Procedures and return to this point At the TAMI 22 To run the diagnostic test on the ke...

Page 458: ... the Enter key QUIT ALL and press the Enter key 25 Replace the HSLI card Refer to Card Replacement Procedures and return to this point At the TAMI 26 To run the diagnostic test on the keyboard type POSDIAG n MANKEY and press the Enter key where n is the MP position number 0 1 2 or 3 27 Press every key on the MP keyboard Verify that the system highlights the keys on the MP display Follow the prompt...

Page 459: ... Standard 14 02 May 2001 TOPS MP Operator complaint integrated Clearing MP keyboard trouble end 29 Perform the common procedure Placing the MP position in service integrated Note Return to service all of the positions associated with the TPC 30 The procedure is complete ...

Page 460: ...Traffic Operator Position System TOPS Multipurpose MP voice communication path trouble Definition Submit this complaint when the system loses voice communication Common procedures This procedure contains the following references Placing the MP position in service integrated Removing the MP position from service integrated Action This procedure contains a flowchart and a list of steps Use the flowc...

Page 461: ...inued Summary of clearing voice communication path trouble Keep call on VDU Note CF3P Secure headset cable Replace defective headset with headset that works Drop call POST CF3P Does the headset work Wait until IDL Circuit SB BSY and TST CF3P circuit 1 Y N Does the new headset work Does the original headset work Replace defective headset with headset that works 1 2 6 6 Y N Y N N ...

Page 462: ...d Summary of clearing voice communication path trouble continued RTS MP position POST and RTS all busied CF3P circuits End procedure Contact next level of support Replace MP position base Does the test pass CF3P RTS Does the test pass Run TCD test Locate defective card Test CF3P circuit again Does the test pass Remove MP position from service Replace defective card Run TCD test Does the test pass ...

Page 463: ...ication path trouble At the affected MP position 1 Keep the call on the VDU 2 Secure the headset cable to the headset jack Secure the headset jack to the headphones connector 3 Confirm that the headset works 4 Replace the defective headset with a headset that works 0 Headphones connector Headset cable Headset Keyboard connector Base controller Headset jack If headset Do works step 19 does not work...

Page 464: ...Enter key where nnn is the position number Example of a MAP response If the Do replaced headset works step 19 replaced headset does not work step 6 original headset does not work at the other position Replace with a headset that works Follow local procedure for defective equipment CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKT TYPE PM NO COM LA...

Page 465: ... key where n is the CF3P noted in the MAP display from step 6 Example of a MAP response 9 To busy and test the posted CF3P circuit type BSY and press the Enter key TST If the circuit is Do CPB wait until IDL and go to step 9 SB step 9 CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKTTYPE PM NO COM LANG STA S R DOT TE RESULT 4 CONF3 TM8 0 26 CF3P 1...

Page 466: ...Enter key 13 Perform the common procedure Removing the MP position from service integrated At the MAP 14 To run the position component diagnostics TCD test type TST TERM and press the Enter key Example of a MAP response If test Do passes step 13 fails step 10 If test Do passes step 16 fails step 13 If test Do passes step 16 Performing ROM position Component Diagnostic Performing CPU position Compo...

Page 467: ...eturn to step 14 At the MAP 16 To return to service the busy CF3P from step 9 type POST G CF3P n and press the Enter key where n is the busy CF3P from step 9 RTS and press the Enter key 17 For additional help contact the next level of support 18 Perform the procedure Placing an MP position in service integrated 19 The procedure is complete fails step 15 fails with base controller re placed step 17...

Page 468: ...nition Submit this problem when the MP VDU message Link problems encountered appears and the operator cannot log on to the MP position When this message appears a fault is present on the data link between the VDU controller and the DMS Common procedures This procedure contains the following references Removing MP position from service standalone Placing MP position in service standalone Action Thi...

Page 469: ...te procedure to locate and clear problems Link problems encountered message appears RTS MP position End procedure HSLI cable loose or damaged Secure or repair HSLI cable MP position RTS Y N Y N Y Y N 1 N 3 RTS MP position 2 Examine circuit status N MP position RTS Y Examine VDU display Please log on message appears End procedure Y N Link problems encountered message appears Y N 2 4 4 5 Check HSLI ...

Page 470: ...le continued Summary of Clearing link trouble continued BSY posted circuit Circuit MB TST circuit Y N Does the test pass RTS MP position Y MP position RTS Y N N POST T TOPSPOSDATA 9 POST digital modems Examine VDU display Please log on message appears End procedure Y N Link problems encountered message appears Y N 7 4 7 8 Determine location of defective card Replace defective card Test circuit aga...

Page 471: ...inued Contact next level of support End procedure Replace modem Examine status of posted digital modems TST modem Is the Modem SB Modem IDL CPB P_IDL POST next modem BSY modem Does the test pass Does the test pass Y N 9 Y N N Y Is the Modem POSTed TST modem 8 10 Y N N Any one modem not RTS N Y 8 Contact next level of support End procedure 11 RTS MP position 14 Y 13 Does the test pass N Y 8 14 6 8 ...

Page 472: ...Clearing link trouble continued Summary of Clearing link trouble continued RTS modem Contact next level of support BSY MP position Modem RTS End procedure Run HSLI card test from Diagnostics screen MP position RTS Examine VDU display N Y 11 Y N Please log on message appears Y N Link problems encountered message appears Y N 15 15 Remove MP position from service End procedure 16 11 4 13 ...

Page 473: ...ring link trouble continued Replace HSLI card Test HSLI card again Does the test pass Contact next level of support Does the test pass End procedure Escalate to next level of support End procedure 16 Y N RTS MP position MP position RTS Y N N Y 17 17 Examine VDU display Please log on message appears Y N Link problems encountered message appears Y N Contact next level of support 4 ...

Page 474: ...e Removing the MP position from service standalone 2 Perform the common procedure Placing the MP position in service standalone 3 Determine if the MP position returns to service At the affected MP position 4 Examine the VDU display 5 Check the HSLI cable for loose connections or damage If the MP position Do returns to service and RES ap pears step 4 fails return to service step 5 If the message fr...

Page 475: ...dalone Clearing link trouble continued Rear view MP position 6 Perform the common procedure Placing the MP position in service standalone If the HSLI cable Do is loose or damaged secure or repair the cable and go to step 6 is not loose or damaged step 9 Base controller VDU connector 0 Power switch AC connector HSLI connector ...

Page 476: ...0 Perform the common procedure Removing the MP position from service standalone 11 To test the circuit enter TST and press the Enter key 12 To determine the location of the card that has faults type CKTLOC If the MP position Do returns to service with RES dis played step 8 fails to return to service step 9 If the MP VDU message Do is Please log on step 38 is Link problems encountered step 9 is oth...

Page 477: ...re Placing the MP position in service standalone At the affected MP position 15 Examine the VDU display 16 Determine if the system allocated a digital modem to the data trunk To post the MP position data trunk type POST T TOPSPOSDATA nnn and press the Enter key where nnn is the position number If TOPSPOS circuit Do returns to service and RES ap pears step 15 fails to return to service step 16 If M...

Page 478: ...type MAPCI MTC TRKS TTP and press the Enter key POST G DMODEM and press the Enter key If digital modem Do is allocated step 28 is not allocated step 17 CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RESULT 4 DESK TM8 2 17 TOPSPOSDATA 200 CPB MODEM 19 5 Bsy_ P_IDL 6 RTS_ 7 Tst_ 8 9 CktInfo_ 10 CktLoc_ 11 Hold_ ...

Page 479: ... digital modem Do is IDL CPB or P_IDL step 19 is SB step 20 is MB step 21 If the status of digital modem is Do posted step 18 the message NO CKT SET IS EMPTY appears and a modem from step 22 cannot RTS IDL on MAP step 36 CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RESULT 4 DATA MTM 4 7 DMODEM 19 CPB TOPSPOS...

Page 480: ... type RTS and press the Enter key 23 Record the posted digital modem number and replace the defective DMS digital modem circuit card Refer to the Card Replacement Procedures and return to this point At the MAP 24 To test the posted digital modem type TST and press the Enter key the message NO CKT SET IS EMPTY appears and all modems from step 22 are RTSed IDL on MAP step 25 If test Do passes step 2...

Page 481: ...vice standalone At the TAMI 29 To access the Diagnostics screen from the TAMI menu type 5 and press the Enter key TAMI response Enter TPC Diagnostics command 30 Make sure that the MP position is busy To run the HSLI card test from the Diagnostics screen type POSDIAG nnn HSLI and press the Enter key where nnn is the position number fails Record its number for later use and go to step 36 If the MP p...

Page 482: ...e QUIT and press the Enter key 33 Perform the common procedure Placing the MP position in service standalone 34 Determine if the MP position returns to service At the affected MP position 35 Examine the VDU display 36 For further assistance contact the personnel responsible for the next level of support If test Do passes step 36 fails step 31 passes with card replaced step 32 fails with card repla...

Page 483: ...res continued 297 8021 544 Standard 14 02 May 2001 TOPS MP Operator complaint standalone Clearing link trouble end 37 Refer to the appropriate trouble locating and clearing procedure for the indicated trouble 38 You have completed this procedure ...

Page 484: ...ar Traffic Operator Position System TOPS Multipurpose MP keyboard trouble Definition Operators submit this trouble after the operators experience problems with a keyboard Common procedures The following common procedures are referenced Removing MP position from service standalone Placing MP position in service standalone Action This procedure contains a summary flowchart and a list of steps Use th...

Page 485: ...yboard cable Replace keyboard cable Test keyboard RTS MP position Keys respond Test keyboard End procedure Keys respond End procedure Y N Y N Remove MP position from service RTS MP position Keys respond Y N End procedure 1 1 Remove MP position from service Test keyboard Keys respond N Y 2 Access Diagnostics screen at TAMI Run terminal controller test from TAMI Test passes Y N Run HSLI card test fr...

Page 486: ...rouble continued Summary of Clearing MP keyboard trouble continued Replace keyboard 2 Keys respond N Y RTS MP position Replace MP base controller RTS MP position Keys respond End procedure Y 3 4 Replace HSLI card 6 Test passes Escalate to next level of support Y N 7 7 Keys respond N Y 8 8 5 N Test MP keyboard with TAMI diagnostics Test MP keyboard with TAMI diagnostics Test MP keyboard with TAMI d...

Page 487: ... MP keyboard trouble At your current location 1 Perform the common procedure Removing MP position from service standalone 2 Perform the common procedure Placing MP position from service standalone 3 Test to see if the keys respond on the keyboard At the affected MP position 4 Secure the MP keyboard cable to the base controller If the keys Do respond step 27 do not respond step 4 ...

Page 488: ...mplaint standalone Clearing MP keyboard trouble continued 5 Test again to see if the keys respond on the keyboard 6 Perform the common procedure Removing MP position from service standalone in this document If the keys Do respond step 27 do not respond step 6 Keyboard Base controller Keyboard connector Keyboard cable 0 Power switch AC connector Rear view MP position ...

Page 489: ...ss the Diagnostics screen from the TAMI main menu enter 5 and press the Enter key TAMI response 12 To run the diagnostic test on the keyboard enter POSDIAG n MANKEY and press the Enter key where n is the position number 0 1 2 or 3 Note The user can only select ManB positions 13 Press every key on the MP keyboard and check that the keys are highlighted on the MP display Follow the prompts to exit t...

Page 490: ...keyboard and check that the keys are highlighted on the MP display Follow the prompts to exit the diagnostic 17 To run the terminal controller test from the Diagnostics screen of the TAMI enter POSDIAG n TCD and press the Enter key where n is the position number 0 1 2 or 3 18 Replace the MP position base Refer to Card Replacement Procedures and return to this point At the TAMI 19 To run the MP man...

Page 491: ...r to Card Replacement Procedures and return to this point At the TAMI 23 To run the MP manual keyboard test enter POSDIAG n MANKEY and press the Enter key where n is the MAP position number 0 1 2 or 3 Note The user can only select ManB positions If test Do passes step 26 fails step 21 If test Do passes step 25 fails step 22 Performing ROM Terminal Component Diagnostic Performing CPU Terminal Compo...

Page 492: ...Press every key on the MP keyboard and check that the keys are highlighted on the MP display Follow the prompts to exit the diagnostic 25 Contact the next level of support for more help 26 Perform the common procedure Placing MP position from service standalone Note Make sure you return all positions associated with the TPC to service 27 You have completed this procedure If keys Do respond step 26...

Page 493: ...operator submits TOPS TPC reboot trouble when the operator cannot reboot the TPC The TPC Administration and Maintenance Interface TAMI video dispay unit VDU displays an asterisk autobooting or 1 meg of memory Common procedures Refer to the following common procedures Placing an MP position in service standalone Removing an MP position from service standalone Action This procedure contains a flowch...

Page 494: ...nued Summary of Clearing position failure cannot reboot TPC Examine VDU display Y N Autobooting displayed 1 meg of memory displays Refer to the appropriate locating and clearing trouble procedure for the indicated trouble Reset TPC TPC reboots RTS MP position End procedure 3 3 TPC have power outage Replace power card TPC reboots 3 5 5 2 1 Escalate to next level of support 4 6 displays Autobooting ...

Page 495: ... on Replace PIO card NTNX65 install original RAM card again Replace SBC card NTXN63 Remove position from service Hard disk drive light flashes Autobooting displayed Power down TPC Replace hard disk drive 1 meg of memory displays 1 meg of memory displays TPC reboots TPC reboots 3 TPC reboots 1 3 Install original SBC card again 6 5 5 5 3 9 Set fixed disk power switch to on Power up and reset TPC 7 A...

Page 496: ...ilure cannot reboot TPC continued Clearing position failure cannot reboot TPC At the affected MP position 1 Determine the error message that appears on the MP VDU Install original hard disk drive again Replace floppy disk drive NTNX68 8 9 Autobooting displays TPC reboots 3 5 Install original floppy drive again 6 Perform diagnostics on floppy disk drive Test passes 1 9 10 TPC reboots 3 5 11 Y N Y N...

Page 497: ... outage check the frame fail light on the frame supervisory panel FSP 1 meg of memory step 20 any other message Refer to the correct locating and clear trouble procedure for the indicated trouble If Do the TPC reboots step 25 the VDU displays an asterisk step 24 the VDU displays any other message Refer to the correct locating and clear trouble procedure for the indicated trouble If the error messa...

Page 498: ...edures Volume 2 of 2 LET0015 and up TOPS MP Operator complaint standalone Clearing position failure cannot reboot TPC continued If a power outage Do occurs step 4 does not occur step 6 o o Frame fail light Frame supervisory panel 8 TPC 3 7 TPC 2 6 TPC 1 5 TPC 0 Filter lever 60 4 47 3 33 2 19 1 05 Filter lever 00 ...

Page 499: ...rd removed in step 4 Refer to Card Replacement Procedures and return to step 6 6 Determine if the hard disk drive is on If Do autobooting continues to ap pear step 5 the TPC reboots step 25 any other message appears Refer to the correct locating and clear trouble procedure for the indicated trouble 1 3 25 27 Power switch 6 SBC reset switch 21 23 17 19 Disk drives and switch locations on the TPC Fi...

Page 500: ...rvice 9 To power down the TPC turn the switches on the power converters in slots 1 3 and slots 25 27 to the down position 10 Set the hard disk drive power switch in slots 21 23 to the up on position 11 To power up the TPC turn the switches on the power converters in slots 1 3 and slots 25 27 to the up position 12 To set the TPC again lower and lift the SBC reset switch in slot 6 WARNING Equipment ...

Page 501: ...k drive removed in step 15 Refer to Card Replacement Procedures and return to step 18 If the hard disk drive light Do flashes step 14 does not flash step 15 If Do autobooting continues to ap pear step 18 the TPC reboots step 25 any other message appears Refer to the correct locating and clearing trouble procedure for the indicated trouble If Do autobooting continues to ap pear step 16 autobooting ...

Page 502: ...isk drive with the original floppy disk drive removed in step 18 Refer to Card Replacement Procedures and go to step 24 20 Replace the RAM card in slot 5 Refer to Card Replacement Procedures and return to this step 21 Replace the new RAM card with the original RAM card removed in step 20 Refer to Card Replacement Procedures and return to step 22 If the test Do passes step 20 fails step 18 If Do au...

Page 503: ... 23 Replace the new SBC card with the original SBC card removed in step 22 Refer to Card Replacement Procedures and go to step 24 24 For additional help contact the next level of support 25 Perform the procedure Placing MP position in service standalone 26 This procedure is complete If Do 1 meg of memory continues to appear step 23 the TPC reboots step 25 any other message appears Refer to the cor...

Page 504: ...e RTS trouble Definition Submit TOPS MP RTS trouble when the Tops Position Controller TPC is booted and the MP position fails to RTS The Position Status Control menu displays the MP position status as system busy Sysb or initializing MP appears Common procedures Refer to the following common procedures Placing an MP position in service standalone Removing an MP position from service standalone Act...

Page 505: ...osition from service Place MP position in service TAMI display InSv Check HSLI cable TAMI display SysB Refer to the correct locating and clearing procedure for the indicated trouble End procedure HSLI cable secure TAMI displays InSv Remove MP position from service Turn MP position on then off TAMI display SysB Secure HSLI cable connections Initializing screen indicators have checkmarks Y N Y N Y N...

Page 506: ...RTS position continued Make sure keyboard cable is plugged into base controller 4 Keyboard indicator have checkmarks Y N Test MP VDU Test passes Y N TAMI display InSv TAMI display SysB Y 1 N Y N 3 6 6 Remove MP position from service Access Diagnostics screen QUIT Diagnostics screen Replace MP VDU Place MP position in service 7 7 TAMI display InSv Y 1 N TAMI display SysB Y N 3 8 Replace new MP VDU ...

Page 507: ...nued Summary of Clearing position failure cannot RTS position continued Test HSLI Card Test passes Y 9 8 TAMI display InSv Y 1 N TAMI display SysB Y N 3 Remove MP position from service Access Diagnostics screen N Card replaced Y 11 QUIT Diagnostics screen Place MP position in service TAMI display InSv Y 1 N TAMI display SysB Y N 3 10 Replace HSLI card 10 QUIT Diagnostics screen N 5 ...

Page 508: ...learing position failure cannot RTS position continued Replace new HSLI card with the original Replace base controller Run TCD test TCD test passes Y N N Base controller replaced Y 13 9 Remove MP position from service Access Diagnostics screen Replace new base with original base QUIT Diagnostics screen 12 13 12 Contact the next level of support TAMI displays InSv N TAMI displays SysB N 3 Y 1 Y 13 ...

Page 509: ...dure Placing an MP position in service standalone At the TAMI 3 Examine the Position Status Control menu At the affected MP position 4 Check the HSLI cable Make sure that the HSL cable is secure 5 Perform the common procedure Removing an MP position from service standalone 6 Secure the HSLI cable connections on the MP position BIX box and TPC If the VDU displays Do InSv step 45 SysB step4 any othe...

Page 510: ...ilure cannot RTS position continued 7 Perform the common procedure Placing an MP position in service standalone At the TAMI 8 Check the Position Status Control menu If the VDU displays Do InSv step 45 SysB step 9 any other message Refer to the correct locate and clear trouble procedure for the indicated trouble Base controller VDU connector 0 Power switch AC connector Rear view MP position HSLI co...

Page 511: ... power switch on the MP VDU to the off 0 position and then to the on position Refer to the figure below 10 Check the four icon indicators on the initializing screen of the MP VDU 11 Check the keyboard indicator 12 Make sure the keyboard cable plugs in the base controller 0 Power switch AC connector Rear view MP position Base controller If initializing screen indicators Do have checkmarks step 26 a...

Page 512: ... of 2 LET0015 and up TOPS MP Operator complaint standalone Clearing position failure cannot RTS position continued At the TAMI 13 Examine the Position Status Control menu Keyboard Base controller Keyboard connector Keyboard cable 0 Power switch AC connector Rear view MP position If the VDU displays Do InSv step 45 SysB step 14 ...

Page 513: ...o test the MP position VDU type POSDIAG n SCREEN and press the Enter key where n is the MP position number 0 1 2 or 3 17 To exit the Diagnostics screen type QUIT and press the Enter key At the affected MP position 18 Replace the MP VDU Go to Card Replacement Procedures and return to the next step 19 Perform the common procedure Placing an MP position in service standalone any other message Refer t...

Page 514: ...n procedure Placing an MP position in service standalone At the TPC 24 Replace the RAM card in slot 7 Go to Card Replacement Procedures and return to the next step At the TAMI 25 Check the Position Status Control menu 26 Perform the common procedure Removing an MP position from service standalone 27 Press the PF3 key to exit the Position Status Control menu and enter the TAMI main menu To access t...

Page 515: ...o exit the Diagnostics screen type QUIT and press the Enter key 30 Replace the HSLI card Go to Card Replacement Procedures and return to step 28 31 To exit the Diagnostics screen type QUIT and press the Enter key 32 Perform the common procedure Placing an MP position in service standalone If card diagnostics test Do passes step 31 fails step 29 fails with HSLI card replaced step 34 Enter TPC Diagn...

Page 516: ...5 Perform the common procedure Removing an MP position from service standalone 36 To exit and the Position Status Control menu and enter the TAMI main menu press the PF3 key To access the Diagnostics screen type 5 and press the Enter key Example of a TAMI response 37 To run the terminal controller diagnostics TCD test type POSDIAG n TCD and press the Enter key where n is the MP number on the TPC 0...

Page 517: ...xit the Diagnostics screen type QUIT and press the Enter key 42 Perform the common procedure Placing MP positions in service standalone At the TAMI 43 Examine the Position Status Control menu If TCD diagnostics test Do passes step 41 fails step 38 fails with base controller re placed step 40 If the VDU displays Do InSv step 45 SysB step 44 Performing ROM position Component Diagnostic Performing CP...

Page 518: ...e 2 of 2 LET0015 and up TOPS MP Operator complaint standalone Clearing position failure cannot RTS position end 44 For additional help contact the next level of support 45 This procedure is complete any other message Refer to the correct locating and clearing trouble procedure for the indicated trouble If the VDU displays Do ...

Page 519: ...tion An operator submits TOPS MP screen trouble when the MP position screen is dark Press the spacebar to make sure the screen saver is not on before use of this procedure Common procedures Refer to the following common procedures Placing an MP position in service standalone Removing an MP position from service standalone Action This procedure contains a flowchart and a list of steps Use this flow...

Page 520: ...e Remove MP position from service Screen light Turn off MP position Replace VDU Secure VDU cable Escalate to next level of support Screen light Turn on MP position Screen light RTS MP position Turn off MP position Secure power cord Screen light End procedure RTS MP position Turn on MP position Y N Y N 1 1 Y N Y N Switch off MP position Remove power cord from wall socket RTS MP position End procedu...

Page 521: ...Clearing screen trouble TOPS MP Operator complaint standalone At your current location 1 Perform the common procedure Removing an MP position from service standalone 2 To turn off the MP position move the power switch on the MP VDU to the off 0 position 3 Secure the MP VDU cable to the base controller 0 Power switch AC connector Rear view MP position Base controller ...

Page 522: ...tandalone Clearing screen trouble continued 4 To turn on the MP position move the power switch on the MP VDU to the on position Refer to the figure in step 2 5 Repair or replace the MP VDU cable Refer to the figure in step 3 0 VDU connector Rear view MP position Base controller VDU cable If the VDU screen Do lights step 14 stays dark step 5 If the VDU screen Do lights step 14 ...

Page 523: ...ve the MP VDU power cord from the wall socket 11 Test the wall socket for power supply 12 Replace MP VDU Refer to Card Replacement Procedures and return to this point 13 For additional help contact the next level of support 14 Perform the common procedure Placing an MP position in service standalone 15 This procedure is complete stays dark step 6 If the VDU screen Do lights step 14 stays dark step...

Page 524: ...tion System TOPS Multipurpose MP voice communication path trouble Definition An operator submits TOPS MP voice communication path trouble when the operator loses voice communication Common procedures Refer to the following common procedures Removing an MP position from service standalone Placing an MP position in service standalone Action This procedure contains a summary flowchart and a list of s...

Page 525: ...rouble This flowchart summarizes the procedure Use the instructions that follow this flowchart to perform the procedure Keep call on VDU Note CF3P Secure headset cable Swap headset with headset that functions Drop call POST CF3P Headset functions Wait until IDL Circuit SB BSY and TST CF3P circuit Y N 1 Y N Swapped headset functions N End procedure Y End procedure Original headset functions Replace...

Page 526: ...ued Summary of Clearing voice communication path trouble continued RTS MP position POST and RTS all busied CF3P circuits End procedure Contact next level of support Replace MP position base 2 3 Test passes N CF3P RTS N Y Y Test passes N Y Run TCD test Locate defective card Test CF3P circuit again Test passes Y N Remove MP position from service Access Diagnostics screen Replace defective card 3 4 4...

Page 527: ...aring voice communication path trouble continued Clearing voice communication path trouble At the affected MP position 1 Keep the call on the VDU 2 Secure the headset cable to the headset jack Secure the headset jack to the headphones connector 0 Headphones connector Headset cable Headset Keyboard connector Headset jack Base controller ...

Page 528: ...hat functions 5 Determine if the headsets functions At the MAP 6 To note the CF3P that the operator uses type MAPCI MTC TRKS TTP and press the Enter key POST G TOPSPOS nnn and press the Enter key where nnn is the position number If headset Do functions step 20 does not function step 4 If the Do changed headset functions step 20 changed headset does not func tion step 6 original headset does not fu...

Page 529: ...e Pos RIs key At the MAP 8 To post the CF3P circuit type POST G CF3P n and press the Enter key where n is the CF3P noted in the MAP display from step 6 CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RESULT 4 DESK TM8 2 16 TOPSPOS 200 CPB CF3P 1 5 Bsy_ 6 RTS_ 7 Tst_ 8 9 CktInfo_ 10 CktLoc_ 11 Hold_ 12 Next_ 13 ...

Page 530: ...ss the Enter key TST and press the Enter key 10 To locate the defective circuit card type CKTLOC and press the Enter key CM MS IOD Net PM CCS Lns Trks Ext EIO TTP 0 Quit_ POST DELQ BUSYQ DIG 2 Post_ TTP 6 025 3 Seize_ CKT TYPE PM NO COM LANG STA S R DOT TE RESULT 4 CONF3 TM8 0 26 CF3P 1 CPB 5 Bsy_ P_IDL 6 RTS_ 7 Tst_ 8 9 CktInfo_ 10 CktLoc_ 11 Hold_ 12 Next_ 13 Rls_ 14 Ckt_ 15 TrnslVf_ 16 StkSdr_ ...

Page 531: ... test the posted CF3P circuit again type TST and press the Enter key 13 Perform the common procedure Removing an MP position from service standalone At the TAMI 14 To access the Diagnostics screen from the TAMI main menu type 5 and press the Enter key Example of a TAMI response 15 To run the position component diagnostics TCD test type POSDIAG n TCD and press the Enter key where n is the MP positi...

Page 532: ...n step 9 RTS and press the Enter key 18 For additional help contact the next level of support 19 Perform the common procedure Placing an MP position in service standalone If test Do passes step 17 fails step 16 fails with base controller replaced step 18 If the CF3P Do returns to service step 19 does not return to service step 18 Performing ROM position Component Diagnostic Performing CPU position...

Page 533: ...12 Trouble locating and clearing procedures continued 297 8021 544 Standard 14 02 May 2001 TOPS MP Operator complaint standalone Clearing voice communication path trouble end 20 This procedure is complete ...

Page 534: ...earing DA access trouble Application Use this Clearing directory assistance DA access trouble procedure to replace the high speed data access HSDA card Definition An operator submits DA access trouble after NO DA appears on the MP position screen Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform the procedur...

Page 535: ...rocedure Use the instructions that follow this flowchart to perform the procedure Access HSDA Status Control menu Test HSDA card Test passes BSY DA links Access HSDA Status Control menu DA access trouble Contact next level of support RTS card Contact next level of support Card RTS BSY HSDA card Return to TAMI main menu Load TPC diagnostic disk RTS DA links 2 1 Y Y Y N N N 3 4 Set the single board ...

Page 536: ...e continued Clearing DA access trouble At the TAMI 1 To access the HSDA Status Control menu from the TOPS position controller TPC Administration and Maintenance TAMI main menu type 3 Press the Enter key Error code 602 Error code 601 Error code 603 607 Fails and card was replaced BSY HSDA card Go to Card Replacement Procedures Contact next level of support Contact next level of support DA links RTS...

Page 537: ...rd before this step This action causes card 0 status to display 2 To busy the DA links use the following procedure a Type 5 Press the Enter key where 5 is BSY link b Type 0 Press the Enter key where 0 is the link number c Type 5 Press the Enter key where 5 is BSY Link d Type 1 HSDA STATUS CONTROL 1 Bsy Card 2 RTS Card 3 OffL Card 4 Frls Card 5 Bsy Link 6 RTS Link 7 OffL Link CARD STATUS CARD SUBST...

Page 538: ...C Insert the Diagnostic Boot diskette into the disk drive of the TPC and push the lever to lock the diskette in place Note Make sure the edge that has notches is at the top and the label faces the hard disk 6 To set the TPC again move the switch on the SBC card in slot 6 to the down position Return the switch to the up position CAUTION Service interruption Use of the reset switch takes all MP posi...

Page 539: ...gnostic tests on the HSDA card type HSDADIAG n Press the Enter key where n is the card number Example of a TAMI response 9 Determine if the test passes If test Do passes step 12 6 TPC packfill SBC card reset switch Performing Basic HSDA Diagnostic Circuit Pack Reset Performing Basic HSDA Diagnostic Query Status Performing Basic HSDA Diagnostic SBC HSDA Loopback Performing Extensive HSDA Diagnostic...

Page 540: ...slot 8 in the optional Dual HSDA configuration Refer to Card Replacement Procedures Return to step 5 At the TAMI 12 To access the HSDA Status Control menu from the TAMI main menu type 3 Press the Enter key passes and No DA displays step 10 fails and HSDA card replaced step 10 fails and error code is 601 step 10 fails and error code is 602 Busy the card Perform step 8 fails and error code is 603 60...

Page 541: ...13 To return the card to service type 2 Press the Enter key Example of a TAMI response 14 To return the DA links to service use the following procedure a Type 6 Press the Enter key where 6 is RTS If card Do returns to service step 14 does not return to service step 10 HSDA STATUS CONTROL 1 Bsy Card 2 RTS Card 3 OffL Card 4 Frls Card 5 Bsy Link 6 RTS Link 7 OffL Link CARD STATUS CARD SUBSTATUS APPL...

Page 542: ...the Enter key where 0 is the link number c Type 6 Press the Enter key where 6 is RTS d Type 1 Press the Enter key where 1 is the link number Example of a TAMI response 15 Determine link status 16 To quit the HSDA Status Control menu press the PF3 key 17 This procedure is complete If links Do return to service step 16 do not return to service step 10 CARD STATUS CARD SUBSTATUS APPLID LINK 0 STATUS ...

Page 543: ...ce database ORDB access trouble procedure when the high speed data access HSDA card has faults Use this procedure if you must replace the HSDA card Definition An operator submits ORDB access trouble after NO ORDB appears on the TOPS multipurpose MP position screen Action This procedure contains a summary flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to pe...

Page 544: ...ontinued Summary of clearing ORDB access trouble Access HSDA Status Control menu Test HSDA card Test passes BSY ORDB links Access HSDA Status Control menu ORDB access trouble Contact next level of support RTS card Contact next level of support Card RTS BSY HSDA card Return to TAMI main menu Load TPC diagnostic disk Return ORDB links to service 2 1 Y Y Y N N N 3 Reset single board computer SBC card...

Page 545: ... ORDB access trouble continued Summary of clearing ORDB access trouble continued Error code 602 Error code 601 Error code 603 607 Fails and card was replaced BSY HSDA card Go to Card Replacement Procedures Contact next level of support Contact next level of support ORDB links RTS Quit HSDA Status Control menu 1 N N Y Y Y Y 3 4 2 N N Y N End procedure ...

Page 546: ...e Enter key Example of TAMI Response Note If in stand alone arrangement enter selection 8 Next Card before this step This action causes card 0 status to display 2 To busy the ORDB links use the following procedure a Type 5 press the Enter key where 5 is BSY link b Type 0 press the Enter key where 0 is the link number c Type 5 HSDA STATUS CONTROL 1 Bsy Card 2 RTS Card 3 OffL Card 4 Frls Card 5 Bsy ...

Page 547: ...y Example of TAMI Response 4 To return to the TAMI main menu press the PF3 key one time At the TPC 5 To test the HSDA card load the diskette in the disk drive of the TPC Insert the Diagnostic Boot diskette in the disk drive of the TPC Push the lever to lock the diskette in place Note Make sure the edge that has notches is at the top and the label faces the hard disk CARD STATUS CARD SUBSTATUS APPL...

Page 548: ... up position 7 Remove the Diagnostic Boot diskette and insert the Diagnostic Run diskette Leave the Diagnostic Run diskette in the disk drive until the system requests you to remove it 8 To run the diagnostic test on the HSDA card type HSDADIAG n press the Enter key where n is the card number CAUTION Service interruption Use of the reset switch takes all MP positions associated with the TPC out of...

Page 549: ... ORDB displays step 10 fails and HSDA card replaced step 10 fails and error code is 601 step 10 fails and error code is 602 Busy the card Perform step 8 fails and error code is 603 607 step 11 CAUTION Service interruption When you replace an HSDA card in the TPC all four operator positions cannot process calls Performing Basic HSDA Diagnostic Circuit Pack Reset Performing Basic HSDA Diagnostic Que...

Page 550: ...rangement enter selection 8 Next Card before this step This action causes card 0 status to display 13 To return the card to service type 2 press the Enter key where 2 is RTS Example of TAMI Response HSDA STATUS CONTROL 1 Bsy Card 2 RTS Card 3 OffL Card 4 Frls Card 5 Bsy Link 6 RTS Link 7 OffL Link CARD STATUS CARD SUBSTATUS APPLID LINK 0 STATUS LINK 0 STATUS Comact HSDA3386 MAKE CHOICE for card 1 ...

Page 551: ...he Enter key where 6 is RTS b Type 0 press the Enter key where 0 is the link number c Type 6 press the Enter key where 6 is RTS d Type 1 press the Enter key where 1 is the link number Example of TAMI Response 15 To quit the HSDA Status Control menu press the PF3 key 16 This procedure is complete If links Do return to service step 15 do not return to service step 10 CARD STATUS CARD SUBSTATUS APPLI...

Page 552: ...e Application Use this procedure to troubleshoot a problem when the Tops Position Controller TPC Administration and Maintenance Interface TAMI fails to respond Definition Submit this problem when the TAMI does not respond and the MP positions do not have problems Action This procedure contains a flowchart and a list of steps Use the flowchart to review the procedure Follow the steps to perform thi...

Page 553: ... determine if the TAMI baud rate is set at 1200 baud refer to the appropriate documentation The vendor supplies the documentation 2 To set the baud rate to 1200 use the documentation from the vendor If TAMI baud rate Do is 1200 step 4 is not 1200 step 2 Determine if baud rate is 1200 Set baud rate to 1200 Is the Baud rate 1200 Contact next level of support Contact next level of support End procedu...

Page 554: ...ring Procedures Volume 2 of 2 LET0015 and up TOPS MP TAMI trouble integrated Clearing TAMI response failure end 3 Determine if TAMI responds 4 For additional help contact the personnel responsible for the next level of support 5 The procedure is complete If TAMI Do responds step 5 does not respond step 4 ...

Page 555: ...g TAMI response failure procedure to troubleshoot when the Tops Position Controller TPC Administration and Maintenance Interface TAMI does not respond Definition The system reports this trouble when the TAMI does not respond Action This procedure contains a summary flowchart and a list of steps Use the flowchart as an overview of the procedure Follow the steps to perform the procedure ...

Page 556: ...d End procedure Y N Determine if TAMI responds Y N 1 1 1 Determine if TPC has a power outage TPC have a power outage Replace power card NT2X70 Y N 2 TAMI respond End procedure 2 Determine if TAMI responds Y N 2 Replace SBC card NTNX64 Determine if TAMI responds TAMI respond Y Replace new SBC card with original card Escalate to next level of support End procedure TAMI display normal boot messages Y...

Page 557: ...cation 1 Use the documentation of the manufacturer to determine if the TAMI baud rate is set at 1200 baud 2 Use the documentation of the manufacturer to set the baud rate to 1200 3 Determine if TAMI responds 4 Check the frame fail light on the frame supervisory panel FSP to determine if the TPC has a power outage If TAMI baud rate is Do 1200 step 4 not 1200 step 2 If TAMI Do responds step 9 does n...

Page 558: ... NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up TOPS MP TAMI trouble standalone Clearing TAMI response failure continued TPC cabinet o o Frame supervisory panel 8 TPC 3 7 TPC 2 6 TPC 1 5 TPC 0 Filter lever 60 4 47 3 33 2 19 1 05 Filter lever 00 ...

Page 559: ...lace the SBC card Refer to Card Replacement Procedures and return to this point Frame fail light on FSP Frame fail Fan fail Fan fail override J K L M W X Y Z Circuit breakers 48V ABS 48V FAN If a power outage Do has occurred step 5 has not occurred step 6 If TAMI Do responds with normal boot messages step 9 does not respond step 6 displays any other message Refer to the correct clearing trouble pr...

Page 560: ...ndalone Clearing TAMI response failure end 7 Replace the new SBC card with the original SBC card removed in step 6 Refer to Card Replacement Procedures and return to step 8 8 For additional help contact the personnel responsible for the next level of support 9 This procedure is complete displays any other message Refer to the correct clearing trouble procedure If TAMI Do ...

Page 561: ...o The following common procedures support the removal and replacement of a Traffic Operator Multipurpose Extended TOPS MPX position When you must replace a TOPS MPX position perform the following procedures in the order given 1 Remove a TOPS MPX terminal from service 2 Disconnect a TOPS MPX terminal 3 Replace a TOPS MPX terminal 4 Place a TOPS MPX terminal in service 5 Install reinstall or change ...

Page 562: ... of support N Power on RESET key sequence Insert SYSTEM diskette into floppy drive Insert SYSTEM diskette into floppy drive Turn power on System boots to DOS prompt Y N auddiags options Loop continuous selected Y N Y N Remove headsets from both jacks Using headset hardware Enter Y N for time source generator attached Test failed Insert and remove headsets during test Y N Test failed Replace headse...

Page 563: ...nd name and press the DOS ENTER key You can follow the command name with a space and any parameters CAUTION Potential risk to service If a voice trunk in the CPB state is force released while a call is the attached to its associated TOPS MPX position the call will be lost If Do malfunction clears End of procedure malfunction does not clear Perform common procedure to remove a TOPS MPX from ser vic...

Page 564: ...acy of the file system COMP DOS command to compare two files DISKCOMP DOS command to compare two diskettes DISKCOPY DOS command to make a copy of a diskette FDISK DOS command to read and set hard disk partition table FORMAT DOS command to format hard disks and floppy diskettes LABEL DOS command to set volume labels MEM DOS command to report amount of available memory MODE DOS command to set screen...

Page 565: ... does not check faults in the headset wiring from the TOPS MPX to the headsets 8 System prompts removal of headsets from both jacks Remove headsets from both jacks and press the DOS ENTER key 9 System queries if composite clock is attached Answer yes if the digital audio cable is attached and the composite clock in the time source generator is operational If you answer yes the system asks you duri...

Page 566: ...dset in Detect tests Perform the following steps 1 Verify that the headset jacks on the position are operational e g broken wire on jack 2 If problem is not found in the headset jacks use common pro cedures to replace TOPS MPX terminal audio card test failed Perform the following steps 1 Verify cable to digital tele phony card is connected and op erational 2 If you find and correct a prob lem with...

Page 567: ...mary flowchart and a list of steps Use the flowchart as an overview of the procedure Follow the steps to perform the procedure Key Equivalents Some DOS applications execute on a TOPS MPX and require the user to press exact keys on an IBM keyboard If you use the TOPS MPX keyboard you must press the TOPS MPX key that is equivalent to the requested IBM key The necessary key equivalents appear in the ...

Page 568: ...mily NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up TOPS MPX Power on self test continued End Per Home Key directly above Per Esc Clear Field F1 Key directly above Clear Field F3 CMD F4 ENTER Sheet 2 of 2 IBM DOS KEY EQUIVALENT TOPS MPX KEY ...

Page 569: ...2 May 2001 TOPS MPX Power on self test continued Summary of TOPS MPX terminal power up self test Power on the TOPS MPX terminal Update configuration files in the PC Go to TOPS MPX power on self test trouble shooting Error code 165 appears N Go to TOPS MPX terminal system diagnostics Y ...

Page 570: ...play If Do power is already on Activate the POWER OFF switch on the front of the con troller to turn the TOPS MPX off Wait 5 s Turn the power on Go to step 2 power is off Activate the POWER ON switch on the front of the controller to turn the TOPS MPX on Go to step 2 If DoThen no error code appeared and the system beeped once The test is complete Go to TOPS MPX terminal system di agnostic procedur...

Page 571: ...re Configuration Run Automatic Configuration 6 Update the Configuration files in the PC Select Run Automatic Configuration from the configuration menu The PC will read the adaptor IDs from the reference diskette and update the configuration files in the PC 7 The update of the configuration files in the PC is correct and the power on self test is complete You can follow the sequence of tests that t...

Page 572: ...f 2 LET0015 and up TOPS MPX Power on self test troubleshooting Application Perform this troubleshooting procedure after a failure during the TOPS MPX power on procedure Action This procedure contains a summary flowchart and a list of steps Use the flowchart as an overview of the procedure Follow the steps to perform the procedure ...

Page 573: ...st troubleshooting From TOPS MPX power on self test procedure Screen blank Power on and connected display cable connected Is screen still blank Connect power cord turn power switch to on connect display cable Error code displays See Error Codes and Messages Follow suggested action Y N Y N N Y Y Beeps N Y Remove and replace TOPS MPX position Retry TOPS MPX power on self test procedure ...

Page 574: ...eck to see If the display power cord plugs into an electrical outlet that works and into the system unit If the display is turned on and the brightness and contrast controls are turned up If the display signal cable plugs into the correct connector on the system unit If the power switch is on If the above items are correct and screen remains blank go to step 4 After you attempt the power on self t...

Page 575: ...blem persists contact the next level of maintenance If Do The internal self test of the system finds an error Perform the following steps 1 Write down the error number 2 Compare error number with Error Codes and Messages chart and follow Suggested Action 3 If you cannot see the IBM portion of the screen go to step 4 Error Codes and Messages Sheet 1 of 3 Error Code Description of Failure or Error S...

Page 576: ...D mismatch 1 163 Date and time not set 2 164 Memory size mismatch 1 165 Adapter ID mismatch 3 166 Card busy 1 167 System clock does not update 1 201 Memory miscompare or parity 1 202 Memory address line error address line 00 15 1 203 Memory address line error address line 00 15 1 211 Memory Base 64K on system board fails 1 215 Memory Base 64K on daughter SIP 2 fails 1 216 Memory Base 64K on daught...

Page 577: ...e C seek failure 1 10481 Drive D seek failure 1 10482 Drive failed controller test 1 10483 Drive controller did not reset 1 10490 Drive C read failure 1 10491 Drive D read failure 1 12901 Processor board test fails 1 12902 Cache portion of processor board test fails 1 If Suggest Action is Do 1 Power off the PC and try the procedure again If the problem persists go to step 4 2 This indicates the us...

Page 578: ...atic Configuration 4 This indicates a problem the keyboard interface Make sure the keyboard is plugged into the correct port on the back of the unit Check for keys on the keyboard that are pressed or stuck down If this action does not correct the problem try another keyboard and cable If the problem persists go to step 4 5 This indicates a problem with the diskette in the A drive is present To loa...

Page 579: ...his procedure follows the sequence of tests that the system performs to complete system diagnostics Requirement Do not perform this procedure unless the TOPS MPX power on self test completes Action This procedure contains a summary flowchart and a list of steps Use the flowchart as an overview of the procedure Follow the steps to perform the procedure ...

Page 580: ...t Confirm installed list of devices Observe screen messages Follow instructions and respond System tests each device listed All tests pass Exit from the test program Load the system from the diskette or the fixed disk Remove diskette and press ENTER twice Continue test Remove reference diskette Insert System diskette disk 4 Go to audio headset malfunction procedure Remove and replace the TOPS MPX ...

Page 581: ...erence Diskette 3 To turn power on activate the POWER ON switch on the front of the controller 4 After the self test completes the screen that follows displays 5 To access the main menu press ENTER The main menu appears on the screen If Do Power is on To turn the TOPS MPX off ac tivate the POWER OFF switch on the front of the controller Wait 5 s Go to step 2 Power is off Go to step 2 IBM LOGO IBM ...

Page 582: ...R The message screen that follows displays 7 Confirm the list of devices is the same list the test program sees installed in your computer When the tests are loaded the message screen that follows displays MAIN MENU 1 Learn about the system 2 Backup the reference diskette 3 Set configuration 4 Set features 5 Copy merge an Option Diskette 6 Move the system 7 Test the system Use the arrow keys to se...

Page 583: ... indicate the beginning and the completion of the tests MESSAGE Page 1 of 1 System Unit 1920 KB Memory Keyboard Parallel Port 1 Diskette Drive System Board Async Port 1 Video Graphic Array 1 Multiport 2 or X 25 Mouse port 1 ESD1 Fixed Disks Primary Token Ring Adapter Question Page 1 of 1 This list shows the devices that the testing program sees as being installed in your computer Is this list corr...

Page 584: ... of 2 LET0015 and up TOPS MPX terminal system diagnostic TOPS MPX continued MESSAGE Page 1 of 1 COMPLETED System Test 1 MESSAGE Page 1 of 1 1920 KB Memory To terminate test press CTRL C MESSAGE Page 1 of 1 This test can take up to 5 minutes Please standby MESSAGE Page 1 of 1 Testing Keyboard Do not press any key until requested ...

Page 585: ...andard 14 02 May 2001 TOPS MPX terminal system diagnostic TOPS MPX continued 9 Test keyboard keys A keyboard picture displays When the keyboard picture appears press each key on the keyboard A character that identifies the key appears on the key that matches in the picture ...

Page 586: ...ystem diagnostic TOPS MPX continued To test the typematic function hold the key and the character blinks MESSAGE Page 1 of 1 Complete Keyboard 3 MESSAGE Page 1 of 1 Testing Parallel Port To terminate tests press CTRL C MESSAGE Page 1 of 1 Completed Testing Parallel Port INSTRUCTIONS Page 1 of 1 Please insert a scratch high density diskette into Drive A ENTER Continue ...

Page 587: ... 4 of 4 Hardware Reference Diskette from Drive A and insert a scratch high density diskette into Drive A Press ENTER to continue 11 To format the diskette takes 3 min 12 This test takes 5 min If Do Keyboard test passes Press P and Enter Keyboard test fails Press F and Enter MESSAGE Page 1 of 1 Speed Test Running MESSAGE Page 1 of 1 Formatting Diskette MESSAGE Page 1 of 1 Random Read Testing ...

Page 588: ...ke the scratch disk out of Drive A Flip the write protect tab on back of the diskette to down position to see through the tab write protect position Insert the scratch disk in Drive A again Press ENTER to continue MESSAGE Page 1 of 1 Write Protect Line Test Running INSTRUCTIONS Page 1 of 1 Take out your scratch disk in Drive A write protect the diskette and reinsert the diskette in the drive ENTER...

Page 589: ...ve A Flip the write protect tab on back of the diskette to the up position so you cannot see through the opening write enable position Insert the scratch disk in Drive A again Press ENTER to continue MESSAGE Page 1 of 1 Write Protect Line Test Running INSTRUCTIONS Page 1 of 1 Now remove your scratch disk in Drive A Remove the write protection and reinsert the diskette ENTER Continue ...

Page 590: ...olume 2 of 2 LET0015 and up TOPS MPX terminal system diagnostic TOPS MPX continued 15 This action test takes 2 min MESSAGE Page 1 of 1 Completed Testing of Diskette Drives 6 MESSAGE Page 1 of 1 Completed testing of System Board Async Port MESSAGE Page 1 of 1 Running Controller Tests MESSAGE Page 1 of 1 Running Seek Tests ...

Page 591: ...k for 7 s A picture of all characters the keyboard can accept appears 17 Display problem MESSAGE Page 1 of 1 Running Read Tests MESSAGE Page 1 of 1 Running Video Graphic Test MESSAGE Page 1 of 1 Does your screen show all characters that can be entered from the keyboard and the grey white bar Press Y or N QUESTION Page 1 of 1 Does your display have a problem Press Y or N ...

Page 592: ...Do A display problem is present Press Y and press ENTER The test terminates Remove and re place the defective unit Mark the defective unit with the failed test Replace the defective unit and begin the test sequence with the TOPS MPX terminal power up self test A display is not present Press N and press ENTER Test continues MESSAGE Page 1 of 1 Completed Video Graphic Array 24 MESSAGE Page 1 of 1 Te...

Page 593: ...minal system diagnostic TOPS MPX continued Press N and Press ENTER MESSAGE Page 1 of 1 X 25 2 tests are running QUESTION Page 1 of 1 Do you want to use a wrap plug to test the X 25 2 adapter in slot 1 To answer Y you must have an IBM cable and wrap plug and you must disconnect from the network Press Y or N ...

Page 594: ...es Volume 2 of 2 LET0015 and up TOPS MPX terminal system diagnostic TOPS MPX continued Press N and Press ENTER MESSAGE Page 1 of 1 Slot 1 Adapter reset in progress MESSAGE Page 1 of 1 Testing Mouse Port Do not use keyboard or mouse until requested QUESTION Page 1 of 1 Is a mouse attached to the computer Press Y or N ...

Page 595: ...01 TOPS MPX terminal system diagnostic TOPS MPX continued Press Y and Press ENTER MESSAGE Page 1 of 1 Completed Testing Mouse Port A MESSAGE Page 1 of 1 Testing ESD1 Fixed Disk C is configured as a 30mb drive Is this correct Note It is possible that the disk is configured at 40mb Press Y or N ...

Page 596: ...rouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up TOPS MPX terminal system diagnostic TOPS MPX continued 19 This test takes 3 min MESSAGE Page 1 of 1 Running ESD1 Seek Test MESSAGE Page 1 of 1 Running Read Write Test MESSAGE Page 1 of 1 Running Read Verify Test ...

Page 597: ...Cable Type 1 Token Ring Network Adapter Cable 2 Type 3 Media Filter Cable To terminate Press CTRL C Use CA Call key to select 1 Token Ring Network Adapter Cable Press ENTER ESC Quit F1 Help INSTRUCTIONS Page 1 of 2 If not already done disconnect the Primary adapter cable from the network Make sure the other end still connects to the Primary Token ring network adapter remove the cable from the adap...

Page 598: ...apter record the address of the adapter on the TOPS MPX Configuration Worksheet Use the field labeled TOKEN RING ADAPTER ID Also record any other information known about this terminal in the appropriate fields Press ENTER then the STA key to move to the second page of the adapter information Record the address of the Token Ring Adapter on the TOPS MPX Configuration Worksheet Press ENTER MESSAGE Pa...

Page 599: ...e 1 of 1 Remove the diskette in drive A The computer hardware tests are complete If testing found errors and you continue to have problems with the computer refer to What If Testing Cannot Find the Problem in your Quick Reference manual ENTER Continue INSTRUCTIONS Page 1 of 1 You are leaving the testing program If you want to start your operating system from diskette remove the diskette in drive A...

Page 600: ...015 and up TOPS MPX terminal system diagnostic TOPS MPX end Additional test is necessary Remove the reference diskette and insert the System disk disk 4 of 4 Press ENTER twice for A to appear on screen Go to audio headset malfunction procedure Token Ring LAN diagnostics are necessary Go to Token Ring LAN trouble shooting procedure If Do ...

Page 601: ...er card test failure The diagnostics detect a failure during initialization of the adapter Make sure the adapter is firmly seated in the adapter slot Check the established configuration If necessary run the automatic configuration procedure Run the diagnostics again If the failure continues to occur follow the remove and replace procedures for the TOPS MPX position These procedures are located in ...

Page 602: ... Reference diskette to run the diagnostics on the computer Follow the instructions the diagnostics provide 16693 Transmit receive test failure Replace the adapter cable with a spare working cable until the problem is fixed Run the diagnostics again If the failure continues to occur follow the remove and replace procedures for the TOPS MPX position These procedures are in the common procedures sect...

Page 603: ...rent conditions of the ring These conditions range from normal ring operation to a wire fault Ring Diagnostic Status This information indicates the operating status of the Ring Diagnostic Data Area Messages The most detailed information supplied by the Ring Diagnostic is Data Area Messages The Ring Diagnostic supplies this information to find a problem on the ring Ring Diagnostic screen Soft Error...

Page 604: ...s are pressed Soft Error RING DIAGNOSTIC 09 21 91 13 06 29 DFIPD001I Ring diagnostic started 10005A000133 000000A33832 000000A33832 000000A33832 09 21 91 13 06 50 DFIPD003I Printer enabled 09 21 91 13 06 56 DFIPD005I Ring test 1 started 09 21 91 13 06 56 DFIPD001E Ring error limit exceeded 10005A0002C2 000000000 7F 10005A000311F 00000000 6A F1 Help 2 Print 3 End 4 5 F6 Ring test 7 Full E R 8 Limit...

Page 605: ... diagnostic started 10005A000133 000000A33832 000000A33832 000000A33832 09 21 91 13 06 50 DFIPD003I Printer enabled 09 21 91 13 06 56 DFIPD005I Ring test 1 started 09 21 91 13 06 56 DFIPD001E Ring error limit exceeded 10005A0002C2 000000000 7F 10005A000311F 00000000 6A F1 Help 2 Print 3 End 4 5 F6 Ring test 7 Full E R 8 Limited E R 9 Reset Counts 10 Pause IDFIPD005I Ring test in progress please wa...

Page 606: ...ou used the Help function press F3 End F2 Print To print all Data Area Messages When Data Area Messages appear press F2 To cancel printing press F2 again Data area messages continue to appear when the Print function is active The function key 2 Print is highlighted when the Print function is active If the printer is not ready F4 Retry Print is displayed F3 End To end the Ring Diagnostic and return...

Page 607: ...g error limit reaches the halfway point Ring response can be slow when the ring error limit reaches the halfway point The function key 8 Limited E R is highlighted when you activate the Full Error Reporting function To cancel Limited Error Reporting press F8 Limited E R again F9 Reset Counts To reset the error counts that the error reporter function of the Ring Diagnostic maintains press F9 Press ...

Page 608: ... experiences intermittent problems Data transmitted on the ring more than once are received correctly Beaconing The ring does not work A broken wire or a defective adapter can cause the ring to stop When the problem is isolated to one adapter the system displays the logical address of the problem to an operator The system displays the address of the problem in a data area message Soft Error RING D...

Page 609: ...n between the attaching device and the multi station access unit MAU Ring Status Conditions Sheet 2 of 2 Condition Description Soft Error RING DIAGNOSTIC 09 21 91 13 06 29 DFIPD001I Ring diagnostic started 10005A000133 000000A33832 000000A33832 000000A33832 09 21 91 13 06 50 DFIPD003I Printer enabled 09 21 91 13 06 56 DFIPD005I Ring test 1 started 09 21 91 13 06 56 DFIPD001E Ring error limit excee...

Page 610: ...ng test press F6 Ring Test This message displays until the ring test completes Action Wait for the ring test to complete Look for the results in the data area DFIPD008I Message Ring adapter open in progress please wait Meaning The program opens 0the ring adapter This message displays until initialization is complete or data area message DFIPD040E displays Action Wait for the adapter to open DFIPD0...

Page 611: ...81E Message Display buffer overflow data lost Meaning The display buffer is full The latest data is lost Action To return to the Ring Diagnostic in Help mode press F3 End If you are not in Help mode deactivate Pause Full E R or Limited E R functions if active Ring Diagnostic Status Area Messages Sheet 2 of 3 Message Number Message Text Meaning Action ...

Page 612: ...ction does not correct the printer error press F2 Print F2 disables the printer and allows continued use of the Ring Diagnostic DFIPD990E Message XX Meaning The two Xs represent an error code in the form of two hexadecimal digits This code indicates an abnormal end occurs Action If the error code is 45 press F3 End and try a different System Disk If the code is not 45 press F3 End and do the follo...

Page 613: ...rror RING DIAGNOSTIC 09 21 91 13 06 29 DFIPD001I Ring diagnostic started 10005A000133 000000A33832 000000A33832 000000A33832 09 21 91 13 06 50 DFIPD003I Printer enabled 09 21 91 13 06 56 DFIPD005I Ring test 1 started 09 21 91 13 06 56 DFIPD001E Ring error limit exceeded 10005A0002C2 000000000 7F 10005A000311F 00000000 6A F1 Help 2 Print 3 End 4 5 F6 Ring test 7 Full E R 8 Limited E R 9 Reset Count...

Page 614: ...robable causes Data Area Message Descriptions Message Number Message Meaning Action Variable Data DFIPD001I Message Ring diagnostic started Meaning The Ring Diagnostic completes initialization When this message displays ring status is Normal Action None required unless you have not recorded the address of the adapter If the address is not recorded record the adapter address at this time The first ...

Page 615: ...disabled Meaning The printer is disabled The user pressed F2 Print while the print was activated Action There is no action required Variable Data Does not apply DFIPD010I Message Full error reporting enabled Meaning Full Error Reporting is active The user pressed F7 Full E R or started the Ring Diagnostic with the F parameter in effect Action There is no action required Variable Data Does not appl...

Page 616: ...ssed F8 Limited E R or started Ring diagnostic with the L parameter in effect Action There is no action required Variable Data Does not apply DFIPD013I Message Limited error reporting disabled Meaning Limited Error Reporting is disabled The user pressed F8 Limited E R when Limited Full E R was in effect Action There is no action required Variable Data Does not apply DFIPD014I Message Error counter...

Page 617: ...ete the test of the Adapter Support Interface in this computer This message appears after message number DFIPD015I Action Wait for a message that indicates the result of ring test 2 Variable Data Does not apply DFIPD017E Message Ring test 1 failed test stopped Meaning The Ring Diagnostic could not complete ring test 1 Action When ring status is Normal run the Adapter Diagnostics Make sure the diag...

Page 618: ...ectly This message appears when message DFIPD230E displays and the Ring Diagnostic starts Action When ring status is Normal run the Adapter Diagnostics Make sure the diagnostics indicate that the adapter functions and the message repeats Remove and replace the TOPS MPX position Follow the common procedures Install the replacement TOPS MPX Begin the test Use the TOPS MPX power on self test If the k...

Page 619: ... table 0007 Status command fails Refer to Action 1 after this table 0008 Adapter already in use Use optional parameter l to invoke the Ring diagnostic 000A Parameters were not passed to the Ring Diagnostic Use a different System Diskette A problem with the Ring Diagnostic is present 000E Wrong optional parameter Use a different System Diskette A problem with the Ring Diagnostic is present 000F Pri...

Page 620: ...earing Procedures Volume 2 of 2 LET0015 and up TOPS MPX Token Ring LAN troubleshooting continued 0001A Formatter initialization fails Use a different System Diskette A problem with the Ring Diagnostic is present All other numbers Refer to Action 2 after this table Sheet 2 of 2 Reason Code Reason Action ...

Page 621: ... ENTER If the message continues to display run the Adapter Diagnostics If the message continues to display try a different System diskette If the problem continues a problem with the adapter or the PC is present Remove and replace the TOPS MPX position Follow the common procedures Install the replacement TOPS MPX Begin the test Use the TOPS MPX power on self test DFIPD040E Message Ring Diagnostic ...

Page 622: ...101E Message Ring error limit exceeded Meaning The number of soft errors exceeds the limit This can degrade the performance of the ring When this message appears ring status is Soft Error Action Record the ring status Write down the addresses of the first and second adapters To clear the error counters press the F9 Reset Counts key If the errors continue disconnect the adapters that cause the erro...

Page 623: ...pproaches a level that is not accepted This message displays when Full E R is activated When this message displays ring status is Normal Action There is no action required Variable Data 09 21 91 13 06 56 DFIPD101E Ring diagnostic error limit exceeded 10005A00133 00000000 7F 000000A35890 00000000 6A First Adapter Address First Adapter Physical Address Error Count Second Adapter Address Second Adapt...

Page 624: ...ed the problem to the indicated adapter Message Number Explanation DFIPD103I Message Ring errors decreasing Meaning The rate of soft errors decreases It is possible that the source of the soft errors are removed When this message displays the ring status is Normal Action There is no action required Variable Data 09 21 91 13 06 56 DFIPD103I Ring errors decreasing 10005A00133 00000000 02 000000A3589...

Page 625: ...the ring Diagnostic isolated the problem to the indicated adapter Message Number Explanation DFIPD104I Message Recovered error counters Meaning The number of recovered errors exceeds the reporting limit The source of these errors cannot be determined This message displays only when Full E R is activated This message is a normal function of the ring When this message appears the ring status is Norm...

Page 626: ... Normal or Soft Error Action There is no action required Variable Data Does not apply 09 21 91 13 06 56 DFIPD104I Recovered error counters 02 03 01 00 01 00 00 00 Minimum Decrement Error Table Full Error Reserved Token Error Frequency Error Frame Copied Error Receive Congestion Lost Frame 09 21 91 13 06 56 DFIPD106I Ring error report 1005A0002B2 010000030100 030002000100 00000000 10005A000352 Repo...

Page 627: ...Meaning More traffic is sent to the adapter than the adapter can manage The adapter cannot receive a surplus number of frames This message is an alert Action If the problem continues it is possible that the adapter has a hardware or software problem Run the Adapter Diagnostics Variable Data Does not apply DFIPD108I Message Ring poll failure Meaning The ring poll also called neighbor notification p...

Page 628: ...r Action There is no action required Variable Data Message Number Explanation DFIPD110I Message Error reporter failed processing continues Meaning The system logs the message when the Ring Diagnostic detects an adapter that is not congested any longer Action There is no action required Variable Data Does not apply 09 21 91 13 06 56 DFIPD081I Ring poll failure 10005A0002B2 10005A000352 Reporting Ad...

Page 629: ...e Ring diagnostic continues to process other information Action To set the soft error reporter function again press F9 Reset Counts If this message occurs again do the following 1 Start the PC again remove power wait 5 seconds and apply power again 2 Start the Ring Diagnostic 3 If the same message occurs use a different System Diskette and run the test again 4 If the preceding action does not corr...

Page 630: ...nostic detects that this is the only active adapter on the ring Action If you know other devices are active on the ring check the other devices to make sure they are operational Variable Data Does not apply DFIPD141I Message Additional adapters on ring Meaning The Ring Diagnostic detects at least one other adapter on the ring becomes active Action There is no action required Variable Data Does not...

Page 631: ...If diagnostics indicate that the adapter that generates the message functions correctly run the diagnostics on the adapter that receives the message If the diagnostics indicate that this adapter functions correctly and you continue to get this message perform the following procedure 1 Start the PC containing the adapter that generates the message again 2 Start the Ring Diagnostic 3 If the same mes...

Page 632: ... generating the message functions correctly run the diagnostics on this adapter that receives the adapter message If the diagnostics indicate that this adapter functions correctly and you continue to get this message do the following 1 Start the PC that contains the adapter that generates the message again 2 Start the Ring Diagnostic 3 If the same message occurs try a different System Diskette 4 I...

Page 633: ...tus is Beaconing Action Wait at least one minute and observe ring status If ring status does not change record ring status and do the following 1 Disconnect the beaconing adapter from the ring If this corrects the problem run the Adapter Diagnostics on that PC 2 Isolate the problem to the PC or the cable and replace the damaged element 3 If the problem persists it is possible that the MAU has faul...

Page 634: ...ing The Ring Diagnostic determines that this adapter is Beaconing When this message displays ring status is Beaconing Action Wait for the next message and follow the actions for the message Variable Data Does not apply DFIPD202E Message Ring recovery failed Message The auto recovery of the adapter did not work When this message displays the ring status is Beaconing Action This action requires manu...

Page 635: ...atus is Normal or Soft Error Action There is no action required Variable Data Does not apply DFIPD204I Message Ring recovered adapter removed Meaning The adapter indicated in the following variable data is logically removed from the active ring The ring recovers When this message displays ring status is Normal or Soft Error Action Record the ring status Run the Adapter Diagnostics on the removed a...

Page 636: ...agnostic is not able to start this adapter Action Verify that the indicated adapter is installed and the switches are set correctly Correct any errors found If the message repeats do the following Run the Adapter Diagnostics If diagnostics indicate the adapter is operational and this message repeats record the variable data and troubleshoot the problem as for DFIPD200E Ring not working Variable Da...

Page 637: ...the data area message If the return code is 27 verify the adapter data rate If the return code continues to be 27 run the Ring Diagnostic on a different terminal on the the same ring When the return code is 07 or FF do the following Action 1 Start the PC containing the adapter that generates the message again 2 Start the Ring Diagnostic 3 If the same message occurs try a different System Diskette ...

Page 638: ...anation DFIPD212E Message Ring adapter hardware failed Meaning The adapter hardware fails Action Run the Adapter Diagnostics If the diagnostics indicate that the adapter functions correctly and the message repeats record the variable data Manually Troubleshoot the PC and the connections to the MAU Variable Data 09 21 91 13 06 56 DFIPD210E Unable to open ring adapter 00070007 Adapter Number Return ...

Page 639: ...he following 1 Verify that the indicated adapter is installed and the switches are set correctly Correct any errors found 2 Start the PC again 3 Start the Ring Diagnostic 4 If the same message occurs try a different System Diskette 5 If the preceding action does not correct the problem record the variable data Perform manual troubleshooting procedures Variable Data 09 21 91 13 06 56 DFIPD212E Ring...

Page 640: ...ons correctly and the message repeats perform the following function 1 Verify that the indicated adapter is installed and that the switches are set correctly Correct any errors found 2 Start the PC again 3 Start the Ring Diagnostic 4 If the same message occurs try a different System Diskette 5 If the preceding action does not correct the problem record the variable data Perform manual troubleshoot...

Page 641: ...ain to verify the problem is corrected Variable Data Does not apply DFIPD216I Message Ring adapter Closed Meaning This message can occur because the user presses F3 End The message can also occur when an error forces the adapter to close When this message displays ring status is Adapter Closed Action If the reason code is 00 there is no action required If the reason code is 01 or 03 run the Adapte...

Page 642: ...r Diagnostics on this adapter If the diagnostics indicate the adapter functions correctly and the message repeats perform the following procedure 1 Verify that the indicated adapter is installed and the switches are set correctly Correct any errors found 2 Start the PC again 3 Start the Ring Diagnostic 4 If the same message occurs try a different System Diskette 5 If the preceding action does not ...

Page 643: ...dapter If the diagnostics indicate the adapter functions correctly and the message repeats perform the following procedure 1 Verify that the indicated adapter is installed and the switches are set correctly Correct any errors found 2 Start the PC again 3 Start the Ring Diagnostic 4 If the same message occurs try a different System Diskette 5 If the preceding action does not correct the problem rec...

Page 644: ...requests a dump of Ring Diagnostic information in memory This information can be given to the service supplier Message number DFIPD992I follows this message Action Insert a formatted diskette with 150 Kb of free space into drive A Variable Data Does not apply DFIPD992I Message Press any key when ready Meaning The Ring Diagnostic is ready to create a file on the diskette in drive A Action Press any...

Page 645: ...IPD993I Message Memory image file created Meaning The file was created Action Take or send the diskette to the service supplier Variable Data Does not apply DFIPD994I Message Memory image file not created Meaning The file was not created Action There is no action required Variable Data Does not apply Sheet 2 of 2 Message Number Explanation ...

Page 646: ...stomer reports a service interruption Frame relay interface unit FRIU alarms are not under the alarm banner on the MAP display Definition FRIU alarms are not on the MAP banner Post the FRIU and clear any alarms Query traffic and perform loopback tests when no alarm exists for the posted FRIU Common procedures There are no common procedures Action This procedure contains a summary flowchart and a l...

Page 647: ...ported failure no FRIU alarms This flowchart summarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure N Y Post the FRIU Perform the correct alarm clearing procedure Is FRIU in service Clear LIM LIMF and other PM alarms Check operational measurements Post channel Query the traffic on the channel Perform remote loop test to identify the faul...

Page 648: ...r_no and press Enter where dir_no is the DN obtained from the fault report Example of a MAP response Note The agent ID appears at the end of the response In the example the agent ID is 1 4 To locate the FRIU and channel for the agent ID type FRSDISP AGENT ID agent_no and press Enter where agent_no is the agent ID obtained in step 3 Example of a MAP response Note The FRIU number and channel assigne...

Page 649: ...urn to this procedure 9 Perform the procedure Clearing a PM FRIU major alarm on an LPP in Alarm and Performance Monitoring Procedures Do not return to this procedure 10 Perform the procedure Clearing a PM FRIU minor alarm on an LPP in Alarm and Performance Monitoring Procedures Do not return to this procedure 11 Determine from the MAP banner if any alarms are present under the PM header 12 Perform...

Page 650: ...RC for OM group FRT1 type OMSHOW FRT1 ACTIVE 3 and press Enter Example of a MAP response For more information on OMs refer to Operational Measurements Reference Manual 14 To post the access channel type CARR CHAN POST chan_no and press Enter where chan_no is the channel number that appeared in response to the PVDNCI command Example of a MAP display 15 To check the traffic level on the access chann...

Page 651: ...e of a MAP response 16 Perform remote loop tests to identify the fault Refer to Routine Maintenance Procedures to install and remove loops required for carrier and channel remote loopback tests 17 The procedure is complete CHANNEL 1 24 x DS0 InSv NoLMI qtraffic Traffic from 15 30 00 to 15 36 32 Frames Tx 30 Frames Rx 0 Abort Rx 0 Port errors 0 Invalid msg length 0 Invalid DLCI 0 ...

Page 652: ...s are not under the alarm banner on the MAP display Definition PM alarms are not on the MAP banner Post the FRIU and clear any alarms Instructions can require you to return channels to service Query traffic and perform loopback tests when no alarms exist for the posted FRIU Common procedures There are no common procedures Action This procedure contains a summary flowchart and a list of steps Use t...

Page 653: ...ummarizes the procedure Use the instructions in the procedure that follows this flowchart to perform the procedure N Y Y Y N N Identify FRIU and channel Post FRIU Is the FRIU in service Clear LIM LIMF and other PM alarms Check operational measurements Post channel Perform loop test to locate fault Is channel manual busy Return channel to service End Perform the correct alarm clearing procedure Is ...

Page 654: ... identify the agent ID for the DN obtained from the fault report type FRSDISP DN NO dir_no and press Enter where dir_no is the DN obtained from the fault report Example of a MAP response Note The agent ID appears at the end of the response In the example the agent ID is 1 4 To locate the FRIU and channel for the agent ID type FRSDISP AGENT ID agent_no and press Enter where agent_no is the agent ID...

Page 655: ...U identified in step 4 type POST FRIU friu_no and press Enter where friu_no is the FRIU number obtained in step 4 8 Perform the procedure Clearing a PM FRIU critical alarm on an LPP in Alarm and Performance Monitoring Procedures Do not return to this procedure 9 Perform the procedure Clearing a PM FRIU major alarm on an LPP in Alarm and Performance Monitoring Procedures Do not return to this proce...

Page 656: ...p FRSPM register PORTERR for each involved device OM group FRT1 register FRT1CRC for the involved carrier For example to check register FRT1CRC for OM group FRT1 type OMSHOW FRT1 ACTIVE 3 and press Enter Example of a MAP response For more information on OMs refer to Operational Measurements Reference Manual 14 To post the access channel type CARR CHAN POST chan_no and press Enter where chan_no is ...

Page 657: ...nnel to service type RTS and press Enter 19 Repeat steps 17 to 18 for each manual busy channel Go to step 20 20 Determine if the channels are in service 21 Perform the correct procedure to clear the alarm Alarm and Performance Monitoring Procedures describe alarm clearing procedures CARRIER Alarm BER ES SES UAS InSv 9 0 0 211 CHANNEL 1 N CHANNEL 1 24 x DS0 InSv NoLMI If the channel state Do is Man...

Page 658: ...re No PM alarms end 22 Perform Datapath procedures to clear faults Refer to DMS 100 DATAPATH Maintenance and Installation Guide 297 2121 223 Do not return to this procedure 23 Perform remote loop tests to identify the fault Refer to Routine Maintenance Procedures for procedures to install and remove loops required for carrier and channel remote loopback tests 24 The procedure is complete ...

Page 659: ... the instructions that follow this flowchart to perform the procedure All TOPS MPX positions on a token ring must be at the same release level To make sure all positions are on the same level busy out all positions on the token ring load the positions again return the positions to service You can update separate token rings at different times Tools Installation disks 1 and 2 are required to perfor...

Page 660: ...S MPX software Key and option definitions on floppy diskette Reboot the system Go to Saving current key and option definitions and make permanent Select update option Reboot the system Load position application software again End of procedure Wait until complete Remove floppy and reboot the system Insert installation disk 2 Remove installation disk 1 Insert installation disk 1 Install I Update U A...

Page 661: ...ys screen status messages command privileges or option descriptions are not saved on a diskette Perform saving current keys screen status messages com mand privileges and option defi nitions procedure the TOPS MPX software is present The current keys screen status messages com mand privileges and option de scriptions are not saved on diskette Perform saving current keys screen status messages com ...

Page 662: ...te option type U When prompted to press ENTER to continue or ESC to ABORT press the DOS ENTER key The following table provides equivalent TOPS MPX keys sequences for IBM keys The user can request these keys sequences under the DOS application 6 Insert Installation Disk 2 the C prompt displays Go to Step 3 KEY SEQUENCE IBM Keyboard TOPS MPX Keyboard RESET KEY SEQUENCE Press and hold Ctrl Alt and De...

Page 663: ...ng company defined TOPS MPX position application software again Perform the following To exit the TOPS MPX software turn off the position insert the system disk and power on the position Remove the system disk when boot is complete At the A prompt type C The following DOS prompt displays C root directory of the C drive Insert the operating company defined TOPS MPX position application software dis...

Page 664: ...e status information The subscriber receives the announcements rather than the visual display on the Analog Display Services Interface ADSI set Common procedures There are no common procedures Action This procedure contains a summary flowchart and list of steps Use the flowchart as a summary of the procedure Follow the steps to perform the procedure Note The CLASS modem resource CMR card NT6X78 ca...

Page 665: ...s flowchart to perform the procedure Is CMR card ISTb or out of service Monitor active side of the PM and run diagnostics on inactive side Is RTS successful Check card list 1 Switch activity of the PMs Does problem still exist Contact next level of support Switch activity of the PMs Does problem still exist 4 2 End of procedure Access the PM level of the MAP display post the PM unit and query for ...

Page 666: ...inued 2 Perform PM maintenance using Peripheral Modules Maintenance Guide First attempt to replace CMR card 3 Replace card using Card Replacement Procedures Load CMR card Is load successful 4 3 Load CMR card again Is load successful 4 End of procedure Contact next level of support Contact next level of support Ensure CMR card load name in Table PMLOADS matches load name in Table LTCINV or Table RC...

Page 667: ...C LTC RCC SMS or SMU pm_number is the number of the PM 0 through 127 3 To check for fault indicators in the CLASS modem resource CMR card type QUERYPM FLT and press Enter 4 To switch activity of the unit in order to restore service quickly type SWACT and press Enter 5 To switch activity back to the original unit type SWACT and press Enter If CMR card Do is in service trouble ISTb or out of service...

Page 668: ...card 7 To return the CMR card to service type RTS UNIT unit_no CMR and press Enter where unit_no is the number of the PM unit 0 or 1 Note CMR is an optional parameter that means to return the CMR card to service 8 Examine the generated card list The performance of one of the following steps depends on the card list The following card list is a standard message of a CMR card failure CAUTION Loss of...

Page 669: ...1 Note Use the LOADPM command to load the CMR card separate from the PM If CMR card Do is on the card list step 11 is not on the card list step 9 If Do a first time replacement of the CMR card step 12 replaced CMR card already step 22 If response Do is the loading completes correctly step 17 is CMR FAILED TO LOAD TASK ABORTED WHILE LOADING CMR step 14 is CMR FILE CMR33A15 NOT FOUND ON DE VICE INDI...

Page 670: ... matches the load name in Table LTCINV or Table RCCINV 16 To load the CMR card again type LOADPM UNIT unit_no CC CMR and press Enter where unit_no is the number of the PM unit 0 or 1 Note CMR is an optional parameter that means to load only the CMR card 17 To return the CMR card to service type RTS UNIT unit_no CMR is FAILED TO OPEN CORRECTLY step 14 If load Do passes step 17 fails step 22 If resp...

Page 671: ...he next step in this procedure 21 Monitor the active side of the PM and run diagnostics on the inactive side 22 Go to step 23 23 For additional help contact the person responsible for the next level of support 24 The procedure is complete If RTS Do passes step 23 fails but the CMR card is not on the card list step 18 fails and the CMR card is on the card list step 19 If Do a first time replacement...

Page 672: ...Can t call out trouble locating and clearing Vol 1 1 93 card or assembly Returning in Canada Vol 2 1 292 Returning in Germany Vol 2 1 296 Returning in Japan Vol 2 1 299 Returning in the United States Vol 2 1 303 card replacement procedures NT9X95 Vol 2 1 226 CCS alarms Prioritizing Vol 1 1 767 Clearing trouble on the SCAI link trouble locating Vol 1 1 145 common procedures position from service in...

Page 673: ...1 191 DRAM announcement trouble Correcting Vol 1 1 195 DRAM sit tone trouble Correcting Vol 1 1 204 DS 1 loopback establish far end office Vol 1 1 594 DS 1 PCM30 loopback establish a far end office Vol 1 1 600 DSCWID SCWID subscriber waiting call notification failure Vol 1 1 556 E E911 LDT and Line ACD PSAP complaint trouble locating and clearing Vol 1 1 564 E911 LDT PSAP complaint trouble locatin...

Page 674: ...5 line that does not ring Correcting Vol 1 1 281 line transhybrid error Correcting Vol 1 1 286 line transmission or reception Correcting Vol 1 1 335 line with free pay telephone service Correcting Vol 1 1 290 linkset offline Activating Vol 1 1 23 LIU7 Activate a loopback on Vol 1 1 9 Activating a loopback on Vol 1 1 2 Downloading software to Vol 1 1 540 Recovering if stuck Vol 2 1 2 Vol 2 1 10 loc...

Page 675: ...dure for replacing Vol 2 1 248 Power on self test TOPS MPX trouble locating and clearing Vol 2 1 546 Power on self test troubleshooting TOPS MPX trouble locating and clearing Vol 2 1 551 PRI trunk busy returning to service Vol 2 1 287 R release mismatch problems Correcting Vol 1 1 346 Removing a TOPS MPX terminal from service trouble locating and clearing Vol 2 1 28 Repair an NTBX63AA cooling unit...

Page 676: ...posi tion trouble locating and clearing Vol 2 1 483 Clearing screen trouble trouble locating and clearing Vol 2 1 498 Clearing voice communication path trouble trouble locating and clearing Vol 2 1 503 TOPS MP Operator complaint standalone in tegrated Clearing DA access trouble trouble locating and clearing Vol 2 1 513 Clearing ORDB access trouble trouble locating and clearing Vol 2 1 425 Vol 2 1 ...

Page 677: ...learing MP keyboard trouble Vol 2 1 429 Clearing voice communication path trouble Vol 2 1 439 TOPS MP Operator complaint standalone Clearing link trouble Vol 2 1 447 Clearing MP keyboard trouble Vol 2 1 463 Clearing position failure cannot reboot TPC Vol 2 1 472 Clearing position failure cannot RTS position Vol 2 1 483 Clearing screen trouble Vol 2 1 498 Clearing voice communication path trouble V...

Page 678: ......

Page 679: ...e of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Information is subject to change without notice Nortel Networks reserves the right to make changes in design or components as progress in engineering and manufacturing...

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