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Chapter 3. Operation

54

TSU 120 User Manual

61200.129L1-1

ES

number of errored seconds (one or more
errors per second)

SES

number of severely errored seconds (more
than 320 errors per second)

UAS:

number of unavailable seconds (10 or
more consecutive seconds)

If insufficient time has passed to collect data or the
network format is configured as D4, NA is displayed.
Continue with standard operating procedures to exit
the display.

When this menu is active, performance data can be
cleared by pressing Clear (shift + 9) on the keypad.
Only the user copy of the performance data is cleared.

Since only the user’s copy of performance data is cleared by
the TSU 120, the data displayed here might be different
from the data sent to the network as PRM data.

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Summary of Contents for TSU 120

Page 1: ...TSU 120 PART NUMBER 1200129L1 USER MANUAL 61200 129L1 1A July 1997...

Page 2: ...901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4000 Phone 205 963 8000 1997 ADTRAN Inc All rights reserved Printed in USA...

Page 3: ...rected or until you are sure the equipment is not malfunctioning 6 This unit contains no user serviceable parts 7 The following information may be required when applying to your local telephone compan...

Page 4: ...nals and transmitted on the network The affidavit shall affirm that either no encoded analog content or billing information is being transmitted or that the output of the device meets Part 68 encoded...

Page 5: ...ith respect to encoded analog content and billing protection I attest that all operations associated with the establishment mainte nance and adjustment of the digital CPE with respect to analog conten...

Page 6: ...code analog signals or D In lieu of the preceding training requirements the operator s maintainer s is are under the control of a supervisor trained in accordance with _________ circle one above I agr...

Page 7: ...e 7 Nx56 64 Serial Interface 7 Control Port Input 8 Chain Port Output 8 Option Ports 9 Secondary Interfaces SI 9 Other Data Interfaces 9 Dial Backup 9 Four Methods of Control 10 Front Panel 10 ADTRAN...

Page 8: ...twork 26 Connections 26 Control In Chain In 27 Connections 27 Chain Out 28 Connections 28 Nx56 64 DTE V 35 29 Connections 29 Base DSX 1 PBX 30 Power Up Testing and Initialization 31 Self Test 31 Set U...

Page 9: ...Down Arrows 42 Keypad 42 A B C D E F 42 2 42 General Menu Operation 43 Select and Activate a Menu Item 43 Set the Data Field 44 Display Only Data Fields 45 Exit Any Menu Field Operation or Display 45...

Page 10: ...52 Network Performance Reports NI PERF RPTS 53 Network Interface Errors NI ERRORS 55 Active Alarms 56 View History 57 Port Status 58 Port Status of Nx56 64 58 Operations 58 0 1 Nx56 64 Menu Items 58 0...

Page 11: ...ellow Alarm 75 Line Length ft 75 In band Loopback INBAND LPBACK 75 Robbed Bit Signaling 75 Utility UTIL 76 Time Date 77 Operation 77 Summary for Editing Time Date 77 Factory Restore 78 Operation 78 Se...

Page 12: ...4 Complete the DS0 Map Configuration 94 Step 5 Complete a Configuration Table for the Base DSX 1 Port 95 Step 6 Activate Configuration Menu 95 Configuring the Network Interface 96 Configuring the DS0...

Page 13: ...terface Loopback 18 Figure 1 11 Port Interface Loopback 19 Figure 1 12 Diagram of Loopbacks 20 Figure 2 1 Example of Chain In 36 Figure 3 1 TSU 120 Front Panel Layout 39 Figure 3 2 Select a Menu Item...

Page 14: ...n 103 Figure 4 14 Screen Used To Change Mode 103 Figure 4 15 Test Menu One 106 Figure 4 16 The Four Test Menu Windows 107 Figure 4 17 Screen that Appears During Loopback Verification 108 Figure 4 18 T...

Page 15: ...RM OK TEST ALARM OK TEST ERROR ALARM DSU DSX MODULE CSU 3 2 1 6 5 4 9 8 7 0 C B A F E D CLEAR ALARM REMOTE REMOTE SHIFT HOME COPY CANCEL TSU120 ENTER Figure 1 1 Front View of the TSU 120 Functional De...

Page 16: ...s The TSU 120 serves as the link between user data sources such as local area network LAN bridges and routers computers CAD systems teleconferencing equipment and PBXs Through the use of multiple data...

Page 17: ...on 16 Loopback Test Connector OPTION SLOT 1 NETWORK IN OUT CONTROL CHAIN PORT NET IN NET OUT RX MON EQ IN EQ OUT TR MON 5A 250V POWER PORT 0 2 PORT 0 1 V 35 115VAC 60HZ CAUTION FOR CONTINUED PROTECTIO...

Page 18: ...ermanent power cord Fuse Holder Placement of 5 A 250 V fuse Chain Out Connect to other TSU for control Control Chain In Control input Network Receive Monitor test jack for the Monitor Jack incoming T1...

Page 19: ...configuration capabilities using simple menus displayed in a liquid crystal display LCD window operated by a front panel keypad Two programmable configuration maps that define the bandwidth allocatio...

Page 20: ...Control input RS 232 Chain port input Chain port output The option modules which are designed to slide into the rear panel option slot can have up to four inter faces The following modules are current...

Page 21: ...tensive self test DSX 1 PBX Interface The DSX 1 interface provides the following functions DSX 1 per ANSI T1 102 AMI or B8ZS coding D4 or ESF framing independent of network inter face Adjustable line...

Page 22: ...control of the TSU 120 Chain input from another TSU 120 Up to 9600 baud operation Acts as input for PC control or as input for a chained connection Input for flash memory software downloads Chain Port...

Page 23: ...nal DSX 1 interface can be added for data or voice applications Full Drop and Insert Permits the dropping of data and insertion of new data into the same DS0 time slot This SI module includes a long h...

Page 24: ...performance data as the front panel LCD This data is displayed in the form of tables and graphs The T Watch program has the following capabilities Interfaces with a modem which permits dialing into a...

Page 25: ...iming Secondary Timed Normal CSU The clock option selected always designates the clock source for transmission Clocking necessary for receiving data is always recovered from incoming data Network Time...

Page 26: ...uses the clock derived by the Base DSX 1 interface for trans mission timing see Figure 1 5 The Base DSX 1 source timing is restricted from use when a secondary interface is used at the same time DTE...

Page 27: ...iming This is typically used in applications where it is necessary to have the DTE as the primary clock source such as limited distance line drivers See Figure 1 6 The DTE source timing is restricted...

Page 28: ...scillator as the source of timing Applications include private line driver circuits where one end is set to network and the other to internal See Figure 1 7 The internal source timing is restricted fr...

Page 29: ...ng option is the same as that typically used for CSUs This is the preferred mode for use with a PBX application This timing mode works equally well when the PBX is the source of timing In that configu...

Page 30: ...upon power up A full self test can be commanded from a front panel menu or from T Watch In addition to the specified self tests background tests are also run on various parts of the internal electron...

Page 31: ...opback loops all of the received data back toward the network The transmitted data is the identical line code that was received including any bipolar violations or framing errors Payload loopback is s...

Page 32: ...when the DTE loopback is asserted TSU 120 to DTE T1 DTE Loopback Nx56 64 Interface Nx56 64 to network control circuit Network Interface NI Figure 1 10 DTE Interface Loopback Port loopback loops that p...

Page 33: ...ped back toward the PBX achieving a local loopback Port Loopback The port loopback is internal and loops all data mapped to the DSX 1 back toward the network interface on the controller The loopback w...

Page 34: ...one of the network loopbacks previously described is activated at the far end a total end to end integrity check can be run without the need for any external test equipment When QRSS is assigned to TS...

Page 35: ...e If possible keep the original shipping container for use in shipping the TSU 120 back for repair or for verification of damage during shipment Shipped by ADTRAN The following items are included in t...

Page 36: ...l 61200 129L1 1 Power Connection Each TSU 120 unit is equipped with a captive eight foot power cord terminated by a three prong plug which connects to a grounded power receptacle Power to the TSU 120...

Page 37: ...t meet its published specifications or if it fails while in service For detailed warranty repair and return information refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure Re...

Page 38: ...s in the vicinity of the product or system are all to be of a grounding type and the equipment grounding conductors serving these receptacles are to be connected to earth ground at the service equipme...

Page 39: ...o a metal electrical raceway system or to any grounded item that is permanently and reliably connected to the electrical service equipment ground Bare covered or insulated grounding conductors are acc...

Page 40: ...See Table 2 A for the pinout for the network connector Connections The network connections are as follows Connector type USOC RJ 48C Part number AMP 555164 2 Table 2 A Network Pinout PIN NAME DESCRIP...

Page 41: ...the pinout for the control chain in connector Connections The chain in connections are as follows Connector type RJ 48 Part number AMP 555164 2 Table 2 B Control In Chain In Pinout PIN NAME DESCRIPTI...

Page 42: ...s follows Connector type RJ 48 Part number AMP 555164 2 Table 2 C Chain Out Pinout PIN NAME DESCRIPTION 1 GND Ground Connected to unit chassis connected to GND of next unit Pin 1 2 UNUSED 3 TX DATA Da...

Page 43: ...5 Request to send RTS from DTE D 106 Clear to send CTS to DTE E 107 Data set ready DSR to DTE F 109 Received line signal detector DCD to DTE L J Local loopback LL N BB Remote loopback RL R 104 Receive...

Page 44: ...fined in Table 2 E Table 2 E Pinout Connectors for Eight Position Modular Jack Interface PIN NAME DESCRIPTION 1 R1 TXDATA RING Send data towards the DTE PBX 2 T1 TXDATA TIP Send data towards the DTE P...

Page 45: ...momen tarily displays All Tests Passed If a failure is detected a list of failures is displayed in the LCD window The full self test procedure invoked from the front panel or T Watch consists of the f...

Page 46: ...scode number If the two entries match the unit accepts the passcode If they do not match the unit returns to the new passcode entry field for another attempt If the unit is to be remotely accessed usi...

Page 47: ...120 User Manual 33 No Passcode Desired At the new New Passcode prompt in the Set Passcode menu press Enter without any numerical entry The system nullifies the need to enter a passcode for subsequent...

Page 48: ...ocal PC To Set the Unit Identification In the Unit ID menu item 4 under the UTIL menu enter any value between 2 and 250 The number 1 is reserved for the PC Pressing Enter records the Unit ID number an...

Page 49: ...he selection of the Control Port baud rate from 9600 factory default 1200 2400 or 4800 must be made using the unit configuration menu Unless locked out externally the front panel can also control the...

Page 50: ...2 1 Example of Chain In At this point the Unit Initialization procedure is concluded If the unit is to be configured remotely there are no additional items necessary to complete prior to executing re...

Page 51: ...rrect Passcode When a correct passcode is entered the message Access Granted is displayed and the unit grants full access privileges Press any key to proceed to the opening menu Incorrect Passcode Whe...

Page 52: ...Chapter 2 Installation 38 TSU 120 User Manual 61200 129L1 1...

Page 53: ...ntrol the configuration of the unit The display panels and operation keys on the TSU 120 front panel are identified in Figure 3 1 ALARM ERROR TEST OK ALARM TEST OK ALARM TEST OK CSU CANCEL 1 A B C F D...

Page 54: ...ing in a test mode This includes a self test or a test loopback When lighted this LED also indicates that normal data flow is not occurring Alarm red Indicates an alarm condition has been detected Whe...

Page 55: ...ain menu from any menu location This is the same as pressing Cancel multiple times until the Main menu screen is reached Alarm Used as quick access to the active alarm display menus This can be activa...

Page 56: ...hese nine keys have dual functions The first func tion is indicated by the lettering on the key itself This is a standard phone keypad The second function is a shifted function accessed by pressing an...

Page 57: ...identifies a field used for value display and is not available for editing Arrows Menus that display small Up or Down Arrows in the lower right corner indicate there are more menu items than are viewa...

Page 58: ...itional menu options in that direc tion See Figure 3 3 Figure 3 3 Sample Menu Set the Data Field Data fields preceded by a colon can be edited See Figure 3 4 With the cursor positioned on the menu ite...

Page 59: ...Fields Data fields preceded by an equal symbol cannot be edited See Figure 3 4 Data Field Display Field Figure 3 4 Display and Data Fields Pressing Enter moves the cursor to the data field Use arrows...

Page 60: ...ch data port the menu item is referencing For example the base unit is slot zero 0 Anything in the option slot is referenced as Slot 1 If a module containing an OCU DP option card with an Nx56 64 inte...

Page 61: ...s shown in the appendix TSU 120 Menu Tree MAIN MENU 1 STATUS 1 NETWORK NI 2 UNIT 3 MAP EXCHANGE 4 MAP IN USE A B 5 DS0 MAP A 6 DS0 MAP B 7 PORT CONFIG 2 CONFIG 3 UTIL 1 NI PERF REPTS 2 NI ERRORS 3 ACT...

Page 62: ...ify the location of each operation Figure 3 6 Display of Opening Main Menus Opening Menu Functions Status The Status menu provides the ability to view the status of the TSU 120 operation This menu inc...

Page 63: ...s Network NI This item is selected to set all of the parameters associated with the network interface located in the base unit Unit Unit is used to set the TSU 120 control port baud rate and to set up...

Page 64: ...efaults Set Passcode Allows a passcode to be added changed or deleted Unit ID Displays and can be used to set the unit ID Software Revision Software REV Displays the current software revision level lo...

Page 65: ...different types of tests of the unit and to view test results Test results are displayed in the LCD window The menu contains the following items Network Tests Network Tests control the activation of...

Page 66: ...HISTORY HISTORY LIST END OF HISTORY 0 1 NX56 64 0 2 DSX 1 OPTION PORTS 1 DTE DATA 2 DTE STATUS 3 PORT RATE 2 NI ERRORS 6 REMOTE PORT DSX 1 ERRORS Figure 3 7 Status Menu Tree Menu flow is normally dep...

Page 67: ...ESF network format With the cursor on Main menu item 1 STATUS activate the menu with Enter or number 1 The unit displays the first two Status menu items with the cursor on 1 NI PERF RPTS Activate the...

Page 68: ...time has passed to collect data or the network format is configured as D4 NA is displayed Continue with standard operating procedures to exit the display When this menu is active performance data can...

Page 69: ...or number 1 The unit displays the first two Status menu items with the cursor on 1 NI PERF RPTS With the arrows or number 2 select 2 NI ERRORS Activate the selection with Enter or number 2 The unit d...

Page 70: ...tivate the menu with Enter or number 1 The unit displays the first two Status menu items with the cursor on 1 NI PERF RPTS With the Arrows or number 3 select 3 Alarms Activate the selection with Enter...

Page 71: ...us changes of the unit View History displays a history of 20 status changes in the unit including the date time and type of change The unit also records for viewing the date and time an alarm became a...

Page 72: ...PORT STATUS Activate the selection with Enter or number 5 The unit begins the display of available ports The base Nx interface offers the status screens listed in this section When using other option...

Page 73: ...ed superframe format ESF mode If the DSX 1 plug on board is configured for D4 Frame format the LCD displays n a BPV An asterisk is displayed under the BPV if the DSX 1 plug on board is detecting bipol...

Page 74: ...tems with the censor on 1 With the Arrows or number 6 select 6 REMOTE PORT Activate the selection with Enter or number 6 The unit shows the following parameters an asterisk indicates the presence of t...

Page 75: ...S0 MAP A 6 0 2 DS0 MAP B 1 COPY B TEMP 2 CREATE TEMP 3 REVIEW MAP B 4 REVIEW TEMP 5 EDIT TEMP 6 APPLY TEMP B 4 MAP IN USE A B 7 PORT CONFIG 3 MAP EXCHANGE 1 MAP A HH MM 2 MAP B HH MM OFF AUTO 1 NETWOR...

Page 76: ...t the line build out LBO and the timing mode Menu items do not include setting the param eters which may be necessary for a secondary interface DSX 1 Passthru etc except for timing Operation Follow st...

Page 77: ...Secondary SI and Normal CSU Base DTE Base DSX 1 and Internal are available only if no secondary interface is installed SET LBO Selects the line build out for the network interface In AUTO mode the TS...

Page 78: ...r alarm dial out and exit the menu Unit Menu Items The menu items are CTL PORT Sets the baud rate for communication with the PC or modem Available rates are 1200 2400 9600 19200 and 38400 TRAPS Enable...

Page 79: ...ss Enter The cursor moves to the select position over Auto or Off whichever is displayed or currently active See Figure 3 12 Figure 3 12 Map Exchange Selection Display Map Exchange Map Xchng Menu Item...

Page 80: ...ss The procedure can be restarted to accept correct entries When using one digit numbers the number appears in the first of two spaces Upon pressing Enter the system moves the single number to the sec...

Page 81: ...ating procedure to access the Map In Use menu item Notice the current Map In Use is displayed If no change is desired proceed to another menu selection To manually change the Map In Use place the curs...

Page 82: ...use DS0 A can be copied to DS0 B by copying the DS0 A map into the TEMP map and then applying writing the TEMP into DS0 B Operation The operation of DS0 Map A and Map B is identical With the cursor on...

Page 83: ...are used for QRSS testing when activated under the 4 TEST Menu When not used for testing the TST designation is identical to IDLE With the cursor on 2 CREATE TEMP press Enter The unit displays the se...

Page 84: ...the cursor to the last of the menu choices 6 APPLY Either apply the newly created DS0 map or press Cancel to return to the DS0 Map A B menu choices REVIEW MAP A B Permits a quick review of the number...

Page 85: ...atch file the same as for 2 CREATE TEMP APPLY TEMP A Writes the TEMP map into Map A Apply is usually the last step in updating a map and is accessed auto matically at the end of editing or creating a...

Page 86: ...The Base Nx port is always present The list of option ports will vary with the configuration The TSU 120 is designed so that any additional ports developed in the future will contain the appropriate...

Page 87: ...set to Internal If the interface cable is long causing a phase shift in the data the clock can be selected as INT INV Internal Inverted This switches the phase of the clock which should compensate fo...

Page 88: ...e TSU 120 will force 1s Choices On or Off INBAND The Nx56 64 port is capable of providing an inband communications channel for T Watch and SNMP between units This is accomplished by using 8 kbps of th...

Page 89: ...t level for the base DSX 1 based on the length of the interface cable In band Loopback INBAND LPBACK In band Loopback sets the base DSX 1 to accept or reject in band loopup or loopdown codes per ANSI...

Page 90: ...ORY RESTORE 3 SET PASSCODE 4 UNIT ID ID 5 SOFTWARE REV 6 PORT UTILITY TIME HH MM SS DATE MM DD YY Displays Current Software Revision Returns all configurations to factory settings 0 1Nx56 64 OPTION PO...

Page 91: ...sition The Up and Down Arrow keys can also move the cursor to different fields to edit The Date is set using the same keystroke pattern used to set Time To exit the TIME DATE setting press Cancel The...

Page 92: ...including configured DS0 maps to the factory settings Factory defaults are listed in the appendix System Configuration Charts Operation Follow standard operating procedure to access the 3 UTIL menu it...

Page 93: ...r The unit displays Access Granted Pressing any key after entering a passcode causes the unit to return to the previous active menu In this case it returns to 2 CONFIG 2 UNIT 1 CNTRL PORT 1 DATA RATE...

Page 94: ...must be between 2 and 250 If an out of range number is entered the unit assumes the upper limit number of 250 Operation Follow standard operating procedures to access the 3 UTIL menu items With the cu...

Page 95: ...evision level loaded into the base unit controller This information is required when requesting assistance from ADTRAN Customer Service or when updates are needed Operation Follow standard operating p...

Page 96: ...red when request ing assistance from ADTRAN customer service or when updates are needed Operation Follow standard operating procedures to access the 3 UTIL menu items With the cursor on 7 PORT press E...

Page 97: ...LOOPBK 0 1 Nx56 64 0 2 DSX 1 1 NETWORK TESTS 3 PORT TEST LINE ON PAYLOAD ON NO LOOPBACK QRSS ALL DS0s QRSS TST DS0s NONE ATT INBAND LLB ANSI FDL LLB ANSI FDL PLB NO LOOPBACK 3 PATTERN 4 PATTERN RESULT...

Page 98: ...dard operating procedures to access the Network Tests menu items With the cursor on Main menu item 4 TEST press Enter or number 4 The unit displays the first two Test menu items with the cursor on 1 N...

Page 99: ...ANSI FDL LLB Initiates the transmission of an FDL line loop up code toward the far end No Loopback Deactivates the loopback Remote Loopback cannot be used with Fractional T1 since the full T1 stream i...

Page 100: ...active map A or B None Terminates pattern generation QRSS always runs at 64K DS0 Use the up and down scroll to select for example QRSS ALL DS0 Press Enter to record the selection The TSU 120 starts t...

Page 101: ...ults are accumulated until the test pattern is set to None or Clear d The use of TST DS0s for testing can be very useful particularly in Fractional T1 applications An end to end test can be run on the...

Page 102: ...h sending a known test pattern through an on board loop 2 Unit level tests a Front panel LED verification b Phase Locked Loop verification c Board to board interface test A test pattern is sent from t...

Page 103: ...t Test Menu Items for 0 1 Nx56 64 0 1 Nx56 64 is the base Nx interface It offers the following test functions LOOPBK This initiates a loopback The following options are available PRT LCL The Nx port a...

Page 104: ...511 test indicated in the 511 option The results are in the form of the number of errored seconds The error count can be cleared by pressing the Clear key shift 9 Port Test Menu Items for 0 2 DSX 1 L...

Page 105: ...see Figure 4 1 This example assumes that B8ZS service is not available end to end and therefore must use 56K 672K rate for the data and run AMI on the network In addition the format on the network is...

Page 106: ...be copied and filled out to use as a reference or guide prior to actually setting any configuration Step 1 Configure the Network Table 4 A provides configuration information for the network interface...

Page 107: ...N USED SELECTIONS AVAILABLE 1 RATE 56 64 56K 56K 64K 2 TX CLK CNTRL INTERNAL INTERNAL INTERNAL INVERTED EXTERNAL 3 DATA NORM NORMAL INVERT 4 CTS FORCED ON NORMAL FORCE ON 5 DCD FORCED ON NORMAL FORCE...

Page 108: ...DSO ASSIGN TO PASSTHRU 1 0 2 DSX 1 NO 13 0 1 Nx56 64 NO 2 0 2 DSX 1 NO 14 0 1 Nx56 64 NO 3 0 2 DSX 1 NO 15 0 1 Nx56 64 NO 4 0 2 DSX 1 NO 16 0 1 Nx56 64 NO 5 0 2 DSX 1 NO 17 0 1 Nx56 64 NO 6 0 2 DSX 1...

Page 109: ...N USED SELECTIONS AVAILABLE 1 FORMAT D4 D4 ESF 2 CODE AMI AMI B8ZS 3 YEL ALARM ENA ENA DIS 4 LINE LENGTH 400Ft 1 110 110 220 220 330 330 440 440 550 550 655 655 5 INBAND LOOPBACK ACCEPT ACCEPT REJECT...

Page 110: ...set To make changes scroll down or use number 2 to select the CODE menu item Press Enter to move the cursor to the data field B8ZS to the right of 2 CODE Pressing 2 again will not move the cursor int...

Page 111: ...Chapter 4 Example Operations 61200 129L1 1 TSU 120 User Manual 97 Figure 4 4 First Two Network NI Menu Items...

Page 112: ...number 2 to place the cursor on 2 CREATE TEMP menu item Press Enter to activate the Create Map menu which opens a display from which a DS0 number can be selected see Figure 4 6 Figure 4 6 Create Map...

Page 113: ...ical to the previous DS0 just entered it can be duplicated using Copy The PT and PORT data fields are set to the same value as was last entered This operation changing the DS0 number and copy ing can...

Page 114: ...two menu items of 5 DS0 MAP A see Figure 4 8 Figure 4 8 First Screen for Choosing to Review Temporary Files Throughout this review example it is assumed that DS0 17 was inadvertently skipped Upon acti...

Page 115: ...MAP A configuration items by using Cancel Use number 5 or scroll down to move the cursor to 5 EDIT TEMP see Figure 4 10 Press Enter to display the settings for DS0 1 that have just been entered The c...

Page 116: ...eviewed as many times as necessary When all corrections are completed use Cancel to exit the Edit Temp menu The unit returns to the DS0 Map A menu listing with the cursor on 6 APPLY TEMP A Press Enter...

Page 117: ...N and PORT IDLE and then select APPLY to write the Idle map into the Current map Use Cancel to exit DS0 Map A and return to the Config menu Configuring the Ports Scroll down or use the number 7 to mo...

Page 118: ...f the menu selections comparing all the settings against the configuration chart Cancel returns to the PORT menu Scroll to change the port designation to 0 2 DSX 1 Enter the DSX 1 Configuration menu T...

Page 119: ...pattern from one end and loopback the far end Send the pattern from both ends and check at both ends Far End Looped Back Test Two types of tests can be executed with the far end looped The first is a...

Page 120: ...e Operations 106 TSU 120 User Manual 61200 129L1 1 Figure 4 15 Test Menu One The unit begins a display of the menu items The selections available for each of the four screens see Figure 4 16 are selec...

Page 121: ...129L1 1 TSU 120 User Manual 107 ES BES SES SYNC NO TEST DS0s NO TEST PATTERN NONE NO QRSS TST DS0s QRSS ALL DS0s NO LOOPBACK AVSI FDL PLB ANSI FDL LLB ATT Inband LLB NO LOOPBACK PAYLOAD ON LINE ON Fig...

Page 122: ...17 Figure 4 17 Screen that Appears During Loopback Verification The TSU 120 verifies that the far end has gone into loopback by verifying the receipt of the code at the originating end While waiting f...

Page 123: ...errored seconds with more than 320 errors per second SES The number of seconds with more than 320 bit errors The pattern sync has been lost No Yes Current pattern sync status Indicates if pattern syn...

Page 124: ...code to the far end and waiting for a loop up verification If no verification is received after five seconds the display reads Failed Upon receiving verification of proper loopup start the 511 pattern...

Page 125: ...Appendix A TSU 120 Menu Tree 61200 129L1 1 TSU 120 User Manual 111 Appendix A TSU 120 Menu Tree This Appendix contains the complete menu tree for the TSU 120...

Page 126: ...1 MAP A HH MM 2 MAP B HH MM ATT INBAND LLB ANSI FDL LLB ANSI FDL PLB NO LOOPBACK Displays Results 1 CNTRL PORT 2 TRAPS 3 ACCESS 4 MODEM UNIT 5 EXIT TERM MODE 6 DS0 MAP B 1 COPY B TEMP 2 CREATE TEMP 3...

Page 127: ...Appendix B DTE Data Rate Table 61200 129L1 1 TSU 120 User Manual 113 Appendix B DTE Data Rate Table This chapter contains the DTE data rate chart...

Page 128: ...2 112K 128K N 3 168K 192K N 4 224K 256K N 5 280K 320K N 6 336K 384K N 7 392K 448K N 8 448K 512K N 9 504K 576K N 10 560K 640K N 11 616K 704K N 12 672K 768K N 13 728K 832K N 14 784K 896K N 15 840K 960K...

Page 129: ...ring the system Step 1 Configure Network Table C A Control Pin Connection Configuration Chart for Network Interface MENU ITEM SELECTION USED SELECTIONS AVAILABLE 1 FORMAT D4 ESF 2 CODE AMI B8ZS 3 YEL...

Page 130: ...Port MENU ITEM SELECTION USED SELECTIONS AVAILABLE 1 RATE 56 64 56K 64K 2 TX CLK CNTRL INTERNAL INTERNAL INVERTED EXTERNAL 3 DATA NORMAL INVERT 4 CTS NORMAL FORCE ON 5 DCD NORMAL FORCE ON 6 DSR NORMAL...

Page 131: ...e C C DS0 Map A Configuration DSO ASSIGN TO PASSTHRU DSO ASSIGN TO PASSTHRU 1 13 2 14 3 15 4 16 5 17 6 18 7 19 8 20 9 21 10 22 11 23 12 24 Step 5 DS0 Map B Configuration Table C D DS0 Map B Configurat...

Page 132: ...Appendix C System Configuration Charts 118 TSU 120 User Manual 61200 129L1 1...

Page 133: ...Appendix D TSU 120 System Messages 61200 129L1 1 TSU 120 User Manual 119 Appendix D TSU 120 System Messages This appendix lists and defines the alarm and status messages that appear on the TSU screen...

Page 134: ...being received at NI Loss of Signal No signal detected at NI Nx56 64 Interface The following messages indicate an alarm condition on the Nx56 64 card Clock Slip Difference in frequency of the data cl...

Page 135: ...The following messages indicate the status of the DSX 1 PBX interface Frame Slip Indicates a Frame Slip has occurred on the DSX 1 interface this is present in Alarm History only Line Loop Up Line loo...

Page 136: ...On Unit powered on Self Test Internal self test performed Nx56 64 Interface The following messages indicate the status of the Nx56 64 card Loop Up Data is looped at both the net work interface and DTE...

Page 137: ...The following messages indicate the status of the DSX 1 PBX interface Frame Slip Indicates a Frame Slip has occurred on the DSX 1 interface this is present in Alarm History only Line Loop Up Line loo...

Page 138: ...Appendix D TSU 120 System Messages 124 TSU 120 User Manual 61200 129L1 1...

Page 139: ...121 C chain in 4 8 27 28 35 36 chain out 4 28 chain port output 6 8 clock slip 120 clock source 11 12 13 14 clocking options 11 15 configuration menu 11 15 35 44 49 61 62 95 96 98 103 104 configure n...

Page 140: ...92 95 96 105 120 122 C 115 network interface loopback 17 network pinout 26 network tests 51 84 NI errors 48 55 NI perf rpts 48 53 55 56 58 no ext clock 120 normal CSU timing 15 Nx56 64 DSX 1 40 59 75...

Page 141: ...nout 26 27 28 29 PLL alarm 120 port configuration 49 72 73 103 port interface loopback 19 port loopback 17 18 19 20 89 90 port status 49 58 59 port tests 89 port utility 50 82 power connection 21 22 p...

Page 142: ...7 110 test pattern 5 16 18 20 testing 16 time 2 9 11 13 15 32 41 43 44 45 46 49 50 54 57 65 66 71 76 77 79 102 time date 50 77 TSU 1 TSU 100 1 2 3 5 6 7 8 10 11 13 14 15 16 18 21 22 26 27 28 29 31 32...

Page 143: ...vailable Technical Support 888 4ADTRAN Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Return Material Authorization RMA dep...

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