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SREPN Maintenance

2-1

Before starting to troubleshoot

DEFINITY Enterprise Communication Server Release 9
Installation and Maintenance for Survivable Remote EPN

555-233-121

Issue 2

November 2000

SREPN Maintenance

Before starting to troubleshoot

NOTE:

When the SRP is in Normal mode, the Expansion Interface circuit pack’s
yellow LED flashes (see

Table 2-6 on page 2-14

This is normal

. The links

to its counterpart in the R9r

are

down and are not re-established until the

SRP goes into Survive mode.

Similarly, after normal service is returned to the SREPN, the SRP is in an

alarmed state

This is normal for the SRP

and indicates that the TN2301 has

disconnected from the SREPN, and the SRP is no longer in control. EXP-
INTF errors and alarms and failures of Tests #237 and #238 are also
normal.

For more information about these conditions see

‘‘Post-reset check’’

Servicing the Survivable Remote EPN (SREPN) equipment involves both the
Release 9r and the R9si processors. Therefore, you may need to to refer to these
maintenance manuals:

■

DEFINITY ECS Release 9 — Maintenance for R9r

■

DEFINITY ECS Release 9 — Maintenance for R9si

Содержание DEFINITY SERIES

Страница 1: ...555 233 121 Issue 2 November 2000 DEFINITY Enterprise Communications Server Release 9 Installation and Maintenance for Survivable Remote EPN...

Страница 2: ...o the public switched network when Answered by the called station Answered by the attendant Routed to a recorded announcement that can be adminis tered by the CPE user This equipment returns answer su...

Страница 3: ...xiii How to Comment on This Document xiii Resources xiii Related Books xiii Other Resources xiv How to Order Books xiv Where To Call for Technical Support xv Trademarks and Service Marks xv Standards...

Страница 4: ...P 1 18 Replace Release 9r circuit packs 1 23 Replace EPN circuit packs and make cable connections 1 24 Connect DS1CONV cables for standard high reliability 1 24 Connect DS1CONV cables for critical rel...

Страница 5: ...econnect the Release 9r to the EPN 2 22 Post reset check 2 23 Power alarms 2 23 System resets 2 24 Fault isolation procedures 2 25 Fiber fault isolation 2 25 Loopback tests 2 30 DS1 interface cable pi...

Страница 6: ...DEFINITY Enterprise Communication Server Release 9 Installation and Maintenance for Survivable Remote EPN 555 233 121 Issue 2 November 2000 Contents vi...

Страница 7: ...as if it were a standalone R9si with its own dial plan and AAR ARS patterns This means that you must administer the SRP in addition to the R9r PPN for all phones and other equipment connected to SREP...

Страница 8: ...e essential hardware connections for the Survivable Remote EPN over DS1 CONV facilities Figure 1 Survivable Remote EPN hardware connections over DS1 CONV facilities Figure Notes 1 Release 9r 2 Release...

Страница 9: ...er Provided Equipment Alarm Inter PBX Attendant Service IAS DCS Intraflow and Interflow DCS Alphanumeric Display for Terminals Look Ahead Interflow DCS Attendant Control of Trunk Group Access Look Ahe...

Страница 10: ...f troubles It is limited to troubles that can be solved by using the Alarm Log Error Log trouble clearing procedures maintenance tests and traditional troubleshooting methods If trouble conditions per...

Страница 11: ...ack is very important in the Survivable Remote equipment configuration And not every vintage of either the minimum or a higher suffix code is necessarily acceptable NOTE Refer to Technical Monthly Ref...

Страница 12: ...rence EMI If the equipment is not installed and used in accordance with this installation and maintenance book radio interference may result WARNING To maintain the EMI integrity of the system mainten...

Страница 13: ...this manual and return it If the reader comment card is missing FAX your comments to 1 303 538 1741 or to your Avaya representative and mention this document s name and number at bottom of each page E...

Страница 14: ...fraud and measures for addressing those risks and preventing unauthorized use of BCS products This document is intended for telecommunications managers console operators and security organizations wit...

Страница 15: ...tem applications 1 800 225 7585 Lucent Technologies Toll Fraud Intervention 1 800 643 2353 Lucent Technologies National Customer Care Center ATM customers 1 800 242 2121 Lucent Technologies Corporate...

Страница 16: ...omm Corporation Audichron is a registered trademark of Audichron Company LINX is a trademark of Illinois Tool Works Inc Windows95 98 NT is a trademark of Microsoft Corporation Music Mate is a register...

Страница 17: ...N The laser device operates within the following parameters Maximum Power Output 5 dBm Wavelength 1310 nm Mode Field Diameter 8 8 m CLASS 1 LASER PRODUCT IEC 825 1993 DANGER Use of controls or adjustm...

Страница 18: ...4 5 Conducted radio frequency IEC 1000 4 6 Mains frequency magnetic field IEC 1000 4 8 Low frequency mains disturbance IEC 1000 4 11 European Union standards Avaya Business Communications Systems dec...

Страница 19: ...ived A reorder tone is received This equipment is capable of providing users access to interstate providers of operator services through the use of access codes Modification of this equipment by call...

Страница 20: ...ifications to maintain uninterrupted service If trouble is experienced with this equipment or for repair or warranty information please contact the Technical Service Center at 1 800 248 1234 If the eq...

Страница 21: ...e nearest Material Stocking Location MSL instructions For international customers contact your order service agent 2 Direct all short shipped reports to the nearest MSL Contact the appropriate locatio...

Страница 22: ...nt packed with the SRP cabinet circuit packs not shown Figure Notes 1 SRP cabinet rear view 2 Fiber optic cables 2 sets for standard high reliability and 4 sets for critical reliability 3 Translation...

Страница 23: ...l Packet Control Assembly 1 108568262 TN2404 processor circuit pack 1 107784019 TN2182B tone clock tone detector and call classifier circuit pack 1 848101440 S R switch to EI 14 inch 35 5 cm Y cable 1...

Страница 24: ...eady there 1 Table 1 4 Optional EPN parts list Comcode Description Quantity 107089922 TN750C announcement circuit packa a Announcements can only be saved to the TN750C flash memory and announcements s...

Страница 25: ...ode Description Quantity 106455348 9823A fiber optic transceiver 2 for standard high reliability 4 for critical reliability 847245776 DS1CONV Y cable 1 for standard high reliability 2 for critical rel...

Страница 26: ...for critical reliability 106455363 9823B fiber optic transceiver if multi mode fiber is longer than 4900 ft 1494 m 1 for standard high reliability 2 for critical reliability 107731853 300A fiber opti...

Страница 27: ...ears in this document as either a Multicarrier Cabinet MCC or SCC Connect cabinet ground For cabinet installation power and ground information refer to the Single Carrier Cabinet installation procedur...

Страница 28: ...e 2 November 2000 SREPN Installation 1 8 Install the SRP cabinet 1 Figure 1 2 Rear panel screw locations Figure Notes 1 Cabinet in A position No ground plate is installed on an unstacked cabinet 2 Rea...

Страница 29: ...on page 1 10 3 Align the mounting holes in the ground plate with the four holes at the top of the cabinet below the top cabinet Slide the mounting plate down to seat on the screws 4 Do not tighten th...

Страница 30: ...ce for Survivable Remote EPN 555 233 121 Issue 2 November 2000 SREPN Installation 1 10 Install the SRP cabinet 1 Figure 1 3 Rear ground plate and front plate or cabinet clip side view Figure Notes 1 F...

Страница 31: ...cabinet clip is required between each pair of stacked cabinets At the front of the cabinets install a cabinet clip between each pair of cabinets by hooking the clip into the slot of the upper cabinet...

Страница 32: ...m a TX connector to an RX connector and vice versa Do not connect the cables to the EPN until you reach the Replace EPN circuit packs and make cable connections section Depending on the customer s con...

Страница 33: ...SREPN Installation 1 13 Connect cables to the SRP 1 Figure 1 5 SRP fiber cables for standard high reliability Figure Notes 1 To EPN A 2 To Port Network Connectivity PNC A 3 Fiber optic cable 4 SRP ca...

Страница 34: ...Connect cables to the SRP 1 Figure 1 6 SRP fiber cables for critical reliability Figure Notes 1 To EPN B 2 To EPN A 3 To Port Network Connectivity PNC B 4 To Port Network Connectivity PNC A 5 Fiber op...

Страница 35: ...e System in the Single Carrier Cabinet installation procedures in the DEFINITY Made Easy tools 1 See Figure 1 7 for SRP and management terminal connections Figure 1 7 SRP and management terminal conne...

Страница 36: ...SRP Aux EPN Aux Colora a The following wire colors apply to this table W White BL Blue O Orange G Green BR Brown BK Black V Violet Cross Connect Pin Number Cross Connect Pin Number Color G V 46 3 W O...

Страница 37: ...tem access terminal are located in the same room If this is not the case make the appropriate provisions NOTE An init login is required to perform the following Contact the regional CSA Customer Softw...

Страница 38: ...Remote Processor ID field add the product ID of the SRP The product ID is located on the display system parameters maintenance screen on the SRP system access terminal 5 Press Enter to effect the cha...

Страница 39: ...Administration for each of the circuit packs in the SREPN needs to be added to the SRP For every trunk circuit pack the trunk administration must be added and for every port on every line circuit pack...

Страница 40: ...ion 1 On the Release 9r system type list configuration port network number number of the SREPN port network and press Enter Identify the slot numbers of the line circuit packs 2 For each line circuit...

Страница 41: ...and add the information to the SRP system 3 Type save translation and press Enter Administering the system features NOTE Customer options available to the SRP are the same as those available on the ex...

Страница 42: ...on calls 1 Set the two Abbreviated Alarm Report fields to y and press Enter Figure 1 9 Maintenance related system parameters screen change system parameters maintenance Page 1 of 3 SPE A MAINTENANCE R...

Страница 43: ...uit pack on the SRP as the primary sync source 3 Press Enter to effect the changes NOTE When the system is in the survive mode the synchronization of the SRP comes from the DS1 trunk circuit pack When...

Страница 44: ...he TN574 circuit pack with the TN1654 DS1CONV circuit pack 6 Depending on the customer s configuration refer to one of the following sections Connect DS1CONV cables for standard high reliability Conne...

Страница 45: ...rcuit packs and make cable connections 1 Connect direct fiber cables for standard high reliability 1 Connect the equipment as shown in Figure 1 12 on page 1 28 2 Power up the EPN 3 Go to the Test the...

Страница 46: ...ctions Figure Notes 1 MCC cabinet 2 EPN carrier A 3 DS1 cable from Port Network Connectivity PNC A link 4 DS1CONV 2 ft 61 cm Y cable Tie wrap the cable to the cabinet 5 9823A transceiver 6 9823A trans...

Страница 47: ...work Connectivity PNC A and B links 5 DS1CONV 2 ft 61 cm Y cable Tie wrap the cable to the cabinet 6 9823A transceiver 7 9823A transceiver on the EI connector 8 B25A 25 pair cable 9 Fiber optic cables...

Страница 48: ...eplace EPN circuit packs and make cable connections 1 Figure 1 12 EPN Direct fiber standard high reliability cable connections Figure Notes 1 SCC cabinet 2 9823A transceiver on the EI connector 3 B25A...

Страница 49: ...tions 1 Figure 1 13 EPN Direct fiber critical reliability cable connections Figure Notes 1 MCC cabinet 2 EPN carrier B 3 EPN carrier A 4 9823A transceiver on the EI connector 5 Fiber optic cables 6 Fr...

Страница 50: ...121 Issue 2 November 2000 SREPN Installation 1 30 Test the SRP 1 Test the SRP 1 After the SRP is fully administered and the TN2301 switch Figure 1 14 is in the AUTO position you are ready to test the...

Страница 51: ...e 9r system The status of the SREPN should be up See Figure 1 16 Figure 1 16 Status health screen Release 9r list cabinet SPE B CABINET REPORT No Type Layout Room Floor Building A B C D E 1 PPN 5 car...

Страница 52: ...control of the SRP although it may take longer for some facilities such as trunks to be fully restored If the SURVIVE MODE ON LED does not turn on refer to Testing the TN2301 function and wiring in C...

Страница 53: ...ithin 2 minutes the SREPN performs a cold reset and functions again under the control of the SRP although it may take longer for some facilities such as trunks to be fully restored 6 Type status healt...

Страница 54: ...MODE ON LED is off 4 Verify that the yellow DATA LED is on 5 Verify that the green LED on the EPN TN775C maintenance circuit pack is double flashing This indicates that EPN can go into the survive mo...

Страница 55: ...lished until the SRP goes into Survive mode Similarly after normal service is returned to the SREPN the SRP is in an alarmed state This is normal for the SRP and indicates that the TN2301 has disconne...

Страница 56: ...s for the Survivable Remote EPN over DS1 CONV facilities Figure 2 1 Survivable Remote EPN hardware connections over DS1 CONV facilities CAUTION Only the TN1654 DS1 CONV circuit pack can be used for DS...

Страница 57: ...Switch circuit pack Figure 2 2 Front view SRP cabinet Figure Notes 1 Processor TN2404 2 Processor interface TN765 3 Network Packet Control TN2401 or TN2401 2400 or Network control TN777B Release 6 and...

Страница 58: ...uit pack Description Comments TN2404 Processor TN765 Processor Interface Used for PRI applications TN2401 or TN2401 TN2400 Network Packet control assembly TN771DP Maintenance Test Used only when packe...

Страница 59: ...n Interface connections TN570C Expansion Interface EI circuit packs use either the 9823A multimode or the 300A single mode transceivers NOTE A new SREPN system includes the TN570C EI circuit pack Earl...

Страница 60: ...1 Links from the Release 9r PPN to one of its configured SREPNs fail 2 The TN775C Maintenance circuit pack A carrier SREPN detects the link failure and signals the TN2301 to disconnect its links to t...

Страница 61: ...o Survivable Remote mode If the link between the Release 9r and an EPN is down for Then Service affected 1 minute Emergency Transfer Mode activated Only established calls preserved a a Similar to Emer...

Страница 62: ...Release 9r by switching from Survive mode to Normal modea a This switch position overrides the restore survivable remote link command from the SAT See Restore from remote location later in this chapte...

Страница 63: ...mote EPN 555 233 121 Issue 2 November 2000 SREPN Maintenance 2 9 SREPN connections 2 SREPN connections Figure 2 5 shows a detailed view of the rear panel connectors Figure 2 5 SREPN rear panel detail...

Страница 64: ...3 TN2301 SRSwitch B25A 25 pair cable max length 50 ft 15 m 48V from SREPN through wall field SRSwitch 48V major SRP power failure alarm lead SRSwitch 48V signal leads 4 SREPN AUX connector B25A 25 pai...

Страница 65: ...from SREPN through wall field SRSwitch 48V power failure alarm lead SRSwitch signal leads 4 SREPN AUX connector B25A 25 pair cable max length 50 ft 15 m Refer to the MDF connections in Chapter 1 48V t...

Страница 66: ...the maintenance strategy is to 1 Check system status 2 Repair the link connection 3 Reconnect the Release 9r to the EPN 4 Post reset check The final sections of this chapter provide information for r...

Страница 67: ...a pattern of 2 seconds on and 200 ms off The standby PNC EI circuit packs should have their yellow LEDs off NOTE Another way to determine which PNC and therefore which EI in a port network is active...

Страница 68: ...Error Code 1281 from the Hardware Error Log and indicates a failure of Test 237 This condition is usually due to the failure of this Expansion Interface circuit pack or a failed Expansion Interface o...

Страница 69: ...e is a link problem to the EPN and the EPN restarts several times Reinstall the maintenance circuit pack after the Expansion Interface circuit pack is physically inserted and the EI circuit pack s red...

Страница 70: ...packs as a possible cause when diagnosing synchronization problems For both topics refer to the EXP INTF section in Chapter 9 of DEFINITY ECS Release 9 Maintenance for R9r Testing the TN2301 function...

Страница 71: ...2 9 shows the Release 9r screen and Figure 2 10 shows the SRP screen Figure 2 9 Status health screen Release 9r Figure 2 10 Status health screen SRP status health SPE A PNC A PNC auto B PNC functional...

Страница 72: ...show examples of both fiber and DS1 CONV links Figure 2 11 List fiber link screen Release 9r Table 2 7 Release 9r and SRP link status If the Release 9r link is And the SRP link is Then the SRP is in W...

Страница 73: ...SPE A FIBER LINK ADMINISTRATION FIBER ENDPOINT 1 ENDPOINT 2 LINK TYPE A PNC DS1 B PNC DS1 TYPE A PNC DS1 B PNC DS1 DS1 LOC CONV LOC CONV LOC CONV LOC CONV CONV LOC LOC LOC LOC TYPE 1 sni 01A17 01B17 e...

Страница 74: ...9r Alarm and Error logs Figure 2 14 NOTE Since the system is in Survive mode the Release 9r thinks it has lost its connections to the EPN Therefore alarms may be present even though the problem has be...

Страница 75: ...sults shown in Figure 2 15 fail isolate the problem a Busyout the suspected fiber connection with the busyout fiber link number a pnc b pnc if duplicated command b Ensure a reliable fiber connection t...

Страница 76: ...proceeding with the next section See Fault isolation procedures for troubleshooting help To reconnect the SREPN to the Release 9r 1 Set the switch on the TN2301 circuit pack to the RSTR position for a...

Страница 77: ...ate This is normal for the SRP and indicates that the TN2301 has disconnected from the SREPN and the SRP is no longer in control Connections are re established between the EI in the SREPN and its EI S...

Страница 78: ...s to the cabinet and wall field before replacing the board Check for 48V across pins 41 and 42 of the cross connect field See 110 block cross connect pins for more information 3 If power in all cabine...

Страница 79: ...tes that the TN2301 has disconnected from the SREPN and the SRP is no longer in control Connections have been re established between the EI in the SREPN and its EI SNI counterpart in the Release 9r Fa...

Страница 80: ...pe pnc in the Category field then choose Enter NOTE Since the system is in Survive mode the Release 9r thinks it has lost its connections to the EPN Therefore alarms may be present even though the pro...

Страница 81: ...acing an SNI circuit pack clear alarms by executing test board UUCSS long clear for all alarmed EXP INTF circuit packs Wait 5 minutes for any SNI BD or SNI PEER alarms to clear NOTE You can speed this...

Страница 82: ...s repaired may be quicker than clearing the alarms with the test board UUCSS long clear command Test the fiber link hardware For each endpoint of the fiber link 1 Busyout the circuit pack busyout boar...

Страница 83: ...e transceivers are of the same type 9823A or 9823B If they are not both the same replace one of the lightwave transceivers so that they match 9823A is used for distances up to 4900 feet 1493 m and 982...

Страница 84: ...al loopback test ds1 facility UUCSS external loop for each DS1 facility NOTE Many tests pass if the system is in Survive mode 15 Did Test 788 pass and Test 789 fail a If yes replace the DS1C and light...

Страница 85: ...t of the test board UUCSS long command for an Expansion Interface circuit pack In addition to testing on board components this test is helpful for isolating problems between a circuit pack and the lig...

Страница 86: ...1 or the connections between them If Test 799 passes at LB1 and fails at LB2 the problem is with CSU 1 If Test 799 passes at LB1 and at LB2 the problem is with the DS1 facility CSU 2 connections to CS...

Страница 87: ...ve transceiver or the fiber itself has failed execute the Expansion Interface Manual loopback procedure described below NOTE This test can only be run from both Expansion Interface circuit packs if th...

Страница 88: ...SNIs and SNCs in the second switch node carrier only the switch node carrier that has no SNI connected to the PPN EI are not inserted At least two SNI SNI fiber links exist Then perform the following...

Страница 89: ...Interface or Switch Node Interface circuit pack or transceiver should be replaced b If the yellow LED flashes on at a rate of 5 times per second the Expansion Interface or Switch Node Interface circu...

Страница 90: ...ther DS1 interface cable pinout Table 2 11 shows the pin assignments for the cable connecting the TN1654 DS1 CONV circuit pack to DS1 facilities Table 2 11 DS1 Interface Cable Connectors Lead Desig 50...

Страница 91: ...o SRP in Survive mode 48V In Rtn is input and return used by DC DC converter for supplying redundant power to the optical transceivers SR Cntrl Rtn when active connects to the SR Cntrl Rtn signal on t...

Страница 92: ...ailure approximately 3 minutes 2 Momentary closure after 3 minutes A PNC B PNC A B EI EI EI SRP TN 2301 SR Switch Latch Latch Reset TN 790 processor R6R PPN 47 SRPresent V BR W G Aux_Alm_3 48 41 42 43...

Страница 93: ...circuit pack just enough to break contact with the backplane connector but do not remove it from the cabinet CAUTION Ensure that there is enough slack drawn from the extra fiber optic cabling from th...

Страница 94: ...over the transceivers to secure them to the board 4 Feed the fiber cables through the slot in the back of the circuit pack and replace the fiber connections on each of the transceivers 5 Insert the n...

Страница 95: ...ease 9r PPN just as if the faceplate switch was manually set to the RSTR Restore position NOTE The TN2301 faceplate switch position overrides the restore survivable remote link command should the two...

Страница 96: ...C circuit pack requests switching to Survive mode Switch position SRP power State of SREPN Not active Not active AUTO Good Normal mode EPN connected with Release 9r PPN Not active Active AUTO Good Sur...

Страница 97: ...for problems that do not involve a link that is down 2 If the link is down focus on the faulted hardware path 3 If any alarms are present follow the maintenance procedures for the alarmed components t...

Страница 98: ...DEFINITY Enterprise Communication Server Release 9 Installation and Maintenance for Survivable Remote EPN 555 233 121 Issue 2 November 2000 SREPN Maintenance 2 44 System links 2...

Страница 99: ...4 restore survivable remote link 2 22 2 25 2 41 status health 2 17 2 22 2 24 2 41 status pnc 2 13 status port network 2 13 status sys link 2 19 test board long 2 31 test board UUCSS long clear 2 28 te...

Страница 100: ...switch connections 1 15 safety precautions xii screws thread forming 1 9 shielding electromagnetic 1 9 stabilizing cabinets for earthquakes 1 9 system weight 1 1 T terminal connections 1 15 thread fo...

Страница 101: ...___________________ 4 Feel free to write any comments below or on an attached sheet ____________________________ _________________________________________________________________________________ _____...

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