AT&T
 To Order Copies of this Document Refer to Document Number
 Customer Warning
 Following Symbols and Pictographs Appear on the Equipment
Symbol
 FCC Notification and Repair Information AT&T System
 Repair Instructions
 OL13C
Private Line Service
ESF
 FCC Warning Statement
Security of Your SYSTEM-PREVENTING Toll Fraud
Page
Page
 Contents
 Power UP and Initialize System
 Install CUSTOMER’S S a T
Install Attendant Console
Install Starlan Network Interface
 Install Paging System Interface
Test Outgoing Trunks
 Maintenance
 Error LOG
Routine Maintenance
Error Messages
 References Abbreviations and Acronyms
 Glossary D E
 Figures
 November
 Tables
 MET
 Introduction
 FCC Precautions
Introduction
 Installation
Installation
 Tools and Test Equipment
 CROSS-CONNECT Equipment Description
 700A- 110-M-25 or 700A-66-B1-25 157BF Cut-Down Jack
10B Emergency Transfer Unit ETU
 Installation Centers are 8-1/2 APART, Flanges Overlapped
B ETU
 Station Interconnect Panel SIP
617A Panel
 Installation Mounting Centers When Flanges are Overlapped
A Panel
 Adapters
 ADAPTER858A Adapter
 Mounting Centers When Flanges are Overlapped
Fanning Strip
 Cables
 Connector Connector O
Octopus Cables
 Cable Labels
 AT&T
 Symbols Used in Figures
 Preinstallation Requirements
 Restricted
 AC Power
Grounding
 Lightning Protection
 Installation
 AC Power Distribution-Multiple Cabinet System
Secondary Protection
 Building Wiring
 Check Cabinet Contents
Install System Cabinets
Position Cabinets
 ZTN78
ZTN79
ZTN76
ZTN77
 Installation
 10. Three-Cabinet System, Front View With Covers Removed
 11. Position of Shorting Plugs on CPU/Memory Circuit Pack
 Required Circuit Pack Positions
Label Connectors on Back Cover
Slot
 Install 4A Retainer Clips
12 a Retainer Clip Installation
 Connect Cabinets
TDM Bus Connections
 Installation
 13. TDM Bus Terminations Rear View of 3-Cabinet System
 Connect Power
Power UP and Initialize System
Ground Wire Connections
 Connect Administration Equipment
ZTN129 CPU/MEMORY CP
 Cold Start the System
 Installation
 Illegal
 Cold Start
Restart
Slot Cabinet Cabinet 2 Cabinet ZTN85
 Check Performance of Cabinet Components
 Circuit Pack Type LEDs if Normal LEDs if Failed
 Installation
 Report Problems
15. Typical System 25 Port Circuit Pack
 Install CROSS-CONNECT Equipment
Initialize System
 Install TAE, 617A Panels, and Fanning Strips
 16. SIP and TAE Backboard Layout
 17. Alternate SIP and TAE Backboard Layout
 Mount 858A or 2210A2 Adapters
 Clip
18. Mounting Adapters
 Install Equipment Room Trunk Cabling
Connect Network Interfaces to TAE Blocks
 Installation
 Connect Cabinets to TAE Blocks
Connect Ground Start, Loop Start, and did Trunks
 Connect Tie Trunks
 Install DS1
Connect S25 to Another On Premises PBX
 19. Direct Connection Side by Side
 22. DS1 connections-4311 Feet or More
 Off Premises Metallic Cable Connections
Off Premises Non Metallic Connections
 Install Customer Service Unit CSU
24. DS1 Connections-Non Metallic Connections
 Connect Coupled Bonding Conductor CBC
Line Compensation/Equalization
 Installation
 Install Equipment Room Station Cabling
 Installation
 Modular Plug Termination
 27. Modular Plug Terminations Connected to the SIP
 Pair Cable Terminations
 28. Cut Down Terminations Connected to the SIP
 Terminal Type
 Prepare Carrier Loading Labels
Nstallation
 Installation
 Modify Octopus Cables if Required
 30. Standard and Modified Octopus Cables
 Make SIP Connection for CPU/Memory
 31. Mounting Octopus Cable on Fanning Strip
 Make SIP Connections to Cabinet for 7300H Series Terminals
 Make SIP Connections to Cabinet for MET Sets
 74a
 Make SIP Connections for Data Terminals and Computers
 Make SIP Connections to Cabinet for ATL Cordless Telephones
Perform SIP Housekeeping
 Install Emergency Transfer Units ETUs
 32 B Emergency Transfer Unit
 33. Emergency Transfer Unit Connections
 Make Emergency Transfer Connections
Connect Trunk Lines From Cabinet to ETU
 Installation
 Install Ground-Start Key
34. Ground Start Key Installation
 Install Attendant Console
 35. Attendant Console With DXS Console
 Installation
 36. Remotely Powered DXS Console Connection
 Install Terminals
 Label Terminals
 Feature Button Abbreviations and Labels Contd
 TYPICAL-103A Connecting Block
Stand-Alone Voice Terminals
 Stand-Alone Remotely Powered Voice Terminals
38. Stand-Alone Remotely Powered Voice Terminal Connections
 Installation
 39. Single-Line Terminal/ADU Connections
 ATL Cordless Telephone
40 HSeriesTerminal/ADU Connections
 Off-Premises Stations TN742, TN746B in R3V2
 Out-of-Building Voice Terminals ZTN79
 41. DS1 to D4 Connections for Off-Premises Stations
 Stand-Alone Data Terminals
ADU Connections
 42. Local Powering of an ADU
C1 -MODULAR Cord D8W-87
 Installation TN726 -DATA Line CP
W1 -4-PAIR Inside Wiring Cable
C7-MODULAR Cord D6AP-87
EIA Cord
 Madu Connections
TN726 Data Line CP
 Install CUSTOMER’S SAT
Page
 Nonswitched Connection of Equipment
 Depending on EQUIPMENT, ADU MAY Require Auxiliary Power
 On-Premises Digital Switched Connection
 Installation
 B1 Typical 103A- Connecting Block cl Modular Cord D8U-87
 Off-Premises Switched Connection
 CO or Provate Line Circuit
 Install CUSTOMER’S DTU
Install Station Message Digital Recording Smdr Equipment
 Install Starlan Network Interface
49. ZTN84 Starlan Interface CP Connection 112
 Shared System 25 Voice/STARLAN Network Data Connections
Single-Line Voice Terminals
 50. Single-Line Analog Terminal/STARLAN
 73001H Series Voice Terminals
 A2 KS-23475 Adapter
 Install MUSIC-ON-HOLD Interface
FCC-Registered Music Source Interface
 Typical 103A Connecting Block
W1 Inside Wiring Cable MOH KS-23395 Interface
Analog Line CP
TIP Ring CP
 Non-FCC Registered Music Source Interface
53. Music Source, Non-FCC Registered 119
 53a. Music-on-Hold November
 119b
 Install External Alerts
C5 Modular Cord D4BU-87
 Install Dictation System Interface
Install Recorded Delay Announcement
Install Paging System Interface
 Direct Connection to TN763 Auxiliary Trunk CP
 55. Paging System Connection to TN763 Circuit Pack 123
 Connection to TN763 Auxiliary Trunk CP 278A Adapter Required
 55a. Loudspeaker Paging with Background Music November
 124b
 278A Term 103A Term
 Installation TN763 Auxiliary Trunk CP
C5 Modular Cord D4BU-87 C6 SINGLE-ENDED Modular Cord
Page
 128
 Installation ZTN76 Ground Start C’ ZTN77 Loop Start C’
 Installation
 59. Paging System Connection to ZTN76 or ZTN77 131
 Test DS1 Interface
Test Outgoing Trunks
System Tests
 Test Incoming did Trunks
Test Incoming TIE Trunks
 Test 7300H Series Voice Terminals
 System Tests
 Test SINGLE-LINE Voice Terminals
 Test Dial Access Codes
Test System Features
Test ATL Cordless Telephone
ARS and Smdr Tests
 DGC Test
 PDC Login Test
Call Coverage Test
 Test Attendant Console
Test Selector Console
 Test Data Terminal Dialing Feature
 Make Pooled Modem Test Call
Test Transfer to Data
 Test External Alert Night Service
 Test Dictation System Access
Test Paging Interface
 Test MUSIC-ON-HOLD
 Test Emergency Transfer
 Test TOUCH-TONE Receivers
 Maintenance
Maintenance
 Equipment Needed
 Precautions
 General Maintenance Information
System Errors and Alarms
Emergency Transfer
Circuit Pack LEDs
 November
 Attendant Console LED
Description
 Maintenance
 Maintenance
 Maintenance Strategy
 S T E M USER-REPORTED
 Port Problems
Total System Failures
 Common Control Problems
 Automatic Maintenance Tests
Station, Wiring, and Trunk Problems
Maintenance Failure
 Using the Digital Tape Unit
Setting Up the DTU
 Saving Translations
 Verifying Translations
Save Completed Successfully
 Verify Completed Successfully
 Restoring Translations
 Restore Completed Successfully
 Routine Maintenance
Reseating and Replacing Circuit Packs
 Maintenance
 Removing and Restoring Power
 Restarting the System
 YOU are about to Initiate a Cold Start
 CP in Slot Port Displayed
Yes CP Type Listed #
 Typical Release 2 cold restart SAT message is as follows
C0LD Start O T Cabinet Cabinet 2 Cabinet
 Error LOG
 Maintenance
 Most Recent System Errors
R T Board Date Time Name Number Code Occurred Occurred
 Accessing the Error Log From the SAT
 Maintenance
 Error Messages
 Description
Maintenance Error Message
TDM
 Maintenance Error Message Possible Solution Description
Bad Ringing Supply Problems
 Maintenance Error Message Possible Solution
 Electronic
 External Stack Full Starlan
DSP
 Illegal Instruction This error is
Starlan
 Error Message Possible Solution Description
SAT
 Memory ROM Checksum Error
 Translated or CP inserted into Wrong slot
 Missing Check CP slot reseat CP change
 ROM
 Circuit Test Failed
 Trunk Call Dropped a call that
 User Forced Warm Start System
 Clearing Supply Troubles Sheet 1
 Clearing Power Supply Troubles Sheet 2
 Clearing CO Trunk Troubles
 Clearing 4-Wire Tie Trunk Troubles Sheet 1
 Clearing 4-Wire Tie Trunk Troubles Sheet 2
 Clearing 4-Wire Tie Trunk Troubles Sheet 3
 Clearing 4-Wire Tie Trunk Troubles Sheet 4
 Clearing Starlan Interface Troubles
 Clearing Tie Trunk Troubles Sheet 1
 Clearing Tie Trunk Troubles Sheet 2
 Clearing Tie Trunk Troubles Sheet 3
 Clearing Tie Trunk Troubles Sheet 4
 Clearing Tie Trunk Troubles Sheet 5
 Clearing Paging Equipment Troubles
 Complete System Failure
Clearing System-Detected Troubles
Common Control Trouble
 Fail Card Test Detail
Fail CPU RAM Test IC26
 Circuit Pack Trouble
 Frontplane Ribbon Connector Trouble Release 1 Only
Power Supply Trouble
 +4.80
 Starlan ZTN84
 Maintenance
 AC Power Schematic
 Power Supply Protection
 Power Supply Replacement
 Fan Assembly Trouble
 Overheating Trouble
Backplane and Cabinet Trouble
 System Cabinet Backplane Wiring Side Sheet 1
 System Cabinet Backplane Wiring Side Sheet 2
 10. TDM Signal Designations on Cabinet Backplane
 11. Power Designations on Cabinet Backplane
Page
 BL-W
 Pair Connector to Backplane Designations Contd
 11a Adapter November
 Maintenance
 Administration Equipment Troubles
Clearing USER-DETECTED Troubles
 Voice Terminal and Wiring Troubles
Time-Keeping Troubles
 Voice Transmission Troubles
 7300H Series Terminal Troubles
 Virtual Facilities Troubles
 12. Clearing Virtual Facilities Troubles Sheet 1
 12. Clearing Virtual Facilities Troubles Sheet 2
 12. Clearing Virtual Facilities Troubles Sheet 3
 Outgoing Trunk Problems
Trunk Troubles
 Incoming Trunk Problems
Error Log Interpretation Loop-Start Trunks
 Error Log Interpretation Ground-Start Trunks
 Did Trunks Troubles
 Switched Loop Attendant Console Troubles
 Maintenance
 Clearing Switched Loop Console Troubles Sheet 2
 Maintenance
 Clearing Switched Console Troubles
 Maintenance
 Description Data Default
Circuit PACK-OPTIONS
For TN742 and ZTN78 only
For ALL Other Boards
 Circuit Actions Pack Type
ZTN78
Page
 Fail CPU a R C H Angel Insane Check ZTN85 TERMINATOR?
 Maintenance
 Administration Manual
References
 An Introduction to AT&T System
 Reference Manual
 Call Management System-lnstallation Guide
 Abbreviations and Acronyms
Abbreviations and Acronyms
Page
 Appendix a
Appendix a
 ATL MET
 Denotes high side or ringside of pair
 Appendix a System Wiring Tables Table A-B. Building Wiring
 Pair Cable
 Appendix B
Appendix B
 Apparatus Code Comcode
CPU/MEM
 CPU/MEM CP
PEC Apparatus Code Comcode
ZTN84
 31OO-ORD
CS6402UOIA
 Description PEC Apparatus Code Comcode
ZD8AJ
 NAU
 PEC Apparatus Code Comcode
 Description PEC Apparatus Code Comcode
 PEC
 C6E
 Appendix C
Appendix C
 Add Circuit Pack
 Add Cabling
 Figure C-1. Typical System 25 Port Circuit Pack
 Set Option Switches on TN760B CP
Figure C-2. Tie Trunk TN760B Circuit Pack Option Switches
 Preferred
 Replace Circuit Pack
 Add Cabinet
Page
 Add Terminal
 Add Trunk
 Replace Voice-Only Terminal With Voice/Data Terminal
 Add Pooled Modem Circuit Pack
 Appendix D
Appendix D
 November
 Users Guide optional 555-530-706
 Appendix E
Port Default Code
ARS
 Action
Page
Page
 Send ringing to bridged appearances
 Action Description
Not Administrable
Pooled Facility
 Administrable
Manual Signaling
Personal Line
Exclusion
 Automatic Intercom
PDC
Transfer to Data
Call Coverage Group
 Send ALL Calls
Call Coverage Individual
Flexible Direct Station
Flex DSS
 Alarm
Night Service
Action Description Data
Position Busy
 Cancel
Start
Release
O P
 System Access
PORT/PDC
Join
Destination
 Leave Word Calling
Bridged Access
Directory
 Next
Agent Status for CMS
 SINGLE-LINE Voice Terminals
Merlin CS ATL Voice Terminals
Aitendant Voice Terminals
MET Voice Terminals
 SYS Access Facility
Signal Auto Icom
PDC Acct Entry Alarm G H T
Action Button Type
 ‘ Refer to page 10-6 of the Administration Manual
 November
 Flex DSS
 SCROLL†
 LOOP† ALARM†
 SYS Access Flex DSS
 SYS Access Flex DSS Acct Entry
 †Cannot be changed
 S P P
 Starlan CP
 If the Data Port Type is
 † Not administrable for trunk port type codes 901-902 or
 901, 902 not Administrable
FAC
 November
 Only Disconnect
 Service alert
 Action
 A t u r e
 For Qualified Systems Technicians only
Page
 A r d t y p e
 Assign the number of rings before
 Hhmm Mmddyy
 Outside
ATTENDANT’
DID,IN
 Not
 Barrier codes are cleared
 T a
 For Switched Loop Systems only Call Type Code Default
Slac
 For Switched Loop Systems only Default Call Type
A C
 Action Description T a
 AB. DGC Announcement Administration
 PDC
 Action Description Data
 PDC/DDC
 Fpdc / DGC
 Category Board Description Data
 Category Description Data
 Attendant Voice Terminals
Wats
 DLC
 Qualified Systems Technician Only
Qualified Systems Technician
 Rims
 Form HOUR, Minutes Hhmm Assign a stop time for subpattern 1A
 Assign Route 3 for subpattern 1 B a
 Assign a 7-digit emergency telephone Digit number Number
 900 N11 CO exchange for which a pattern
 Error Message Description Possible Solution
Action = 1 DATA=
 Appendix F Administration Error Messages
 Action = 3 Data =
 Error Message Description
 1044 Inappropriate request Neither primary nor secondary CAP
 CAP
 Action = 2 Data = PDC
 Caps
Action =
 Under Trunks
Under Data Port
 Check button range for station type
 Station or data port belongs to a
 OPX
 Check the Administration Manual for
POS
 R e a d y
 Trying to add a number to a TCA
 T e r e d
 Are untranslated
 E r e
 Board type does not exist
 R a n g e
 Action = 2, Data = PDC
 Entered numbers for this zone
 Action = 1 Data =
 Action = 1 Data = Action = 2 Data = PDC
 Error Message Description
 Error Message Possible Solution
 Error Message Description Possible Solution
 Office code exists-list It’s in list
 Removed because it’s installed in list
 Error Message Possible Solution Description
 Error Message Possible Solution Description
 Menu = 1 Port
 Station happens to be the only DGC group
 9035 Inappropriate Request
 Incorrect Entry Must be CSS or 9048
 Glossary
Glossary
Page
 Glossary
 Glossary
 Glossary
 Glossary
 Glossary
 Specific Feature
 Glossary
Page
 Glossary
 Glossary
Page
 Glossary
 Glossary
 Glossary
 Glossary
 Index
Index
 DS1
 Total 4 1
 Install SIP 2 4
 Panels 617A
 Smdr
 Took 2-2,4-2
 Index