ATT System 25 Installation And Maintenance Manual

Contents
INTRODUCTION 
FCC PRECAUTIONS 
INSTALLATION 
TOOLS AND TEST EQUIPMENT 
CROSS-CONNECT EQUIPMENT DESCRIPTION
Trunk Access Equipment 
700A-110-BI -25 or 700A-66-B1-25 Cut-Down Jack
108 Emergency Transfer Unit (ETU)
Station Interconnect Panel (SIP) 
617A Panel
Adapters
Fanning Strip
Cables  
Splitter Cables
Octopus Cables
853B Adapter Cable 
DS1 Connector Cables
Cable Labels 
Symbols Used in Figures 
PREINSTALLATION REQUIREMENTS
Table and Backboard
Network Interface
AC Power 
Grounding 
Lightning...

TDM Bus Connections.
Ground Wire Connections.
POWER UP AND INITIALIZE SYSTEM
Connect Power
Connect Administration Equipment 
Cold Start the System 
Check Performance of Cabinet Components
Report Problems 
Initialize System 
INSTALL CROSS-CONNECT EQUIPMENT 
Install TAE, 617A Panels, and Fanning Strips 
Mount 858A orZ210A2 Adapters 
INSTALL MODULAR BULK POWER SUPPLY
(Optional) 
INSTALL EQUIPMENT ROOM TRUNK CABLING 
Connect Network Interfaces to TAE Blocks 
Connect Cabinets to TAE Blocks
Connect Ground...

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)      
Make Emergency Transfer Connections            
Install Ground-Start Key 
INSTALL ATTENDANT 
CONSOLE
INSTALL TERMINALS 
Label Terminals  
Stand-Alone Voice Terminals
Stand-Alone Remotely Powered Voice Terminals 
Single-Line and 7300H Series Voice Terminals With
Associated ADUs
ATL Cordless Telephone
Off-Premises...

7300H Series Voice Terminals                     
INSTALL MUSIC-ON-HOLD INTERFACE              
FCC-Registered Music Source Interface            
Non-FCC Registered Music Source Interface         
INSTALL EXTERNAL ALERTS                         
INSTALL RECORDED DELAY ANNOUNCEMENT            
2-115
2-117
2-117
2-119
2-120
2-121
2-121
2-121
2-122
2-124
2-128
INSTALL DICTATlON SYSTEM INTERFACE                   
INSTALL PAGING SYSTEM INTERFACE               
Direct Connection to TN763 Auxiliary Trunk CP...

MAKE POOLED MODEM TEST CALL         . . . .
TEST TRANSFER TO DATA                  . . . . ... . . .
TESTEXTERNAL ALERT (NIGHT SERVICE)
TEST
TEST
TEST
TEST
TEST
3-11
3-11
3-12
DICTATION    SYSTEM    ACCESS                                                                                     3-13 
PAGING INTERFACE
MUSIC-ON HOLD
EMERGENCY TRANSFER
TOUCH-TONE RECEIVERS
3-13
3-14
3-15
3-16
MAINTENANCE4-1
EQUIPMENT NEEDED
Precautions
GENERAL INFORMATION
System Errors and Alarms
Emergency Transfer
Circuit Pack...

ROUTINE MAINTENANCE 
Reseating and Replacing Circuit Packs 
Removing and Restoring Power 
Restarting the System 
ERROR LOG 
Accessing the Error Log From the SAT
ERROR MESSAGES
Clearing System-Detected Troubles 
Complete System Failure 
Common Control Trouble 
Circuit Pack Trouble 
Frontplane Ribbon Connector Trouble (Release 1
Only) 
Power Supply Trouble 
Power Supply Protection 
Power Supply Replacement 
Fan Assembly Trouble
Overheating Trouble 
Backplane and Cabinet Trouble 
Emergency Transfer Unit...

REFERENCES  
ABBREVIATIONS AND ACRONYMS  
5-1
6-1
A-1APPENDIX A: System Wiring
Connector Pin Assignments 
System 25 Building Wiring 
APPENDIX B: Parts Listing Tables  
A-1
A-1
B-1
APPENDIX C: System Additions or Changes 
Evaluate Cabinet Unit Power Load 
Add Circuit Pack 
Add Cabling 
Set Option Switches on TN760B CP
Replace Circuit Pack 
Add Cabinet
Add Termina
Add Trunk
Add Trunk—DSl 
Interface 
Replace Voice-Only Terminal With Voice/Data
Terminal
Add Pooled Modem Circuit Pack 
Add 
Auxiliary Equipment...

APPENDIX F: Administration Error Messages 
GLOSSARY   
INDEX 
F-1
G-1
I-1
-viii- 

Figures
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-6a.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 2-10.
Figure 2-11.
Figure 2-12.
Figure 2-13.
Figure 2-14.
Figure 2-15.
Figure 2-16.
Figure 2-17.
Figure 2-18.
Figure 2-19.
Figure 2-20.
Figure 2-21.
Figure 2-22.
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Figure 2-24.
Figure 2-25.
Figure 2-26.
Figure 2-27.
Figure 2-28.
Figure 2-29.
Figure 2-30.
Figure 2-31.
Figure 2-32.
Figure 2-33.
Figure 2-34.
Figure 2-35.
Figure 2-36.10 BEAU
617A Panel
SIP...

Figure 2-37.
Figure 2-38.
Figure 2-39.
Figure 2-40.
Figure 2-41.
Figure 2-42.
Figure 2-43.
Figure 2-44.
Figure 2-45.
Figure 2-46.
Figure 2-47.
Figure 2-48.
Figure 2-49.
Figure 2-50.
Figure 2-51.
Figure 2-52.
Figure 2-53.
Figure 2-53a.
Figure 2-54.
Figure 2-55.
Figure 2-55a.
Figure 2-56.
Figure 2-57.
Figure 2-58.
Figure 2-59.
Figure 4-1.
Figure 4-2.
Figure 4-3.
Figure 4-4.
Figure 4-5.
Figure 4-6.
Figure 4-7.Stand-Alone Voice Terminal Connections                    2-90
Stand-Alone Remotely Powered Voice...