Figure 4-8.
Figure 4-9.
Figure 4-10.
Figure 4-11.
Figure 4-11.a.
Figure 4-12.
Figure 4-13.
Figure C-1.
Figure C-2.
Figure C-3.
Table 2-A.
Table 2-B.
Table 2-C.
Table 2-D.
Table 2-E.
Table 2-F.
Table 4-A.
Table 4-B.
Table 4-C.
Table 4-D.
Table 4-E.
Table 4-F.
Table A-A.
Table A-B.
Table A-A.
Table A-B.
Table C-A.
Table C-B.
Table E-A.
Table E-B.
AC Power Schematic
4-68
System Cabinet Backplane Wiring Side (Sheet 1
of 2)
4-73
TDM Signal Destinations on Cabinet Backplane 4-75
P o w e r D e s i g n a t i o n s o n C a b i n e t B a c k p l a n e 4 - 7 6
853 Adapter
4-79a
Clearing Virtual Facilities Troubles (Sheet 1 of 3) 4-86
Clearing Switched Loop Attendant Console
Troubles (Sheet 1 of 5)
4-94
Typical System 25 Port Circuit Pack
C - 4
Tie Trunk (TN760B) Circuit Pack Option Switches C-5
DS1 Network Interface Connections
C-12
Tables
Tools and Test Equipment Required for
Installation
2 - 2
Circuit Packs, Their Functions, and Protectors 2-24
Displayed SAT Messages During Cold or Warm
Restart
2-37
Circuit Pack LED Status Indications
2-40
Circuit Pack Versus Terminal Type 2-66
Feature Button Abbreviations and Lables 2-88
Displayed SAT Messages During Cold or Warm
Start 4-25
Power Supply Test Points
4-65
Circuit Pack Voltages—Symptoms
4-66
2 5 - P a i r C o n n e c t o r t o B a c k p l a n e D e s i g n a t i o n s 4 - 7 8
Station/Trunk/Special Port Circuit Pack Options 4-99
Applicable Actions for Circuit Pack Options 4-
100
25-Pair Connector Pin Assignments
A - 2
Building Wiring
A - 4
25-Pair Connector Pin Assignments
A - 2
Building Wiring
A - 4
Unit Loads C-2
TN760B Option Switch Settings and
Administration
C - 6
Default Dial Codes
E-1
PORT/PD. Administration, Voice Terminals
(Menu=1/2)
E - 2
November 1995
-xi-
Summary of Contents for Network Adapter 25
Page 1: ...AT T AT T System 25 Installation and Maintenance Manual 555 540 103 B November 1995 ...
Page 18: ...APPENDIX F Administration Error Messages GLOSSARY I N D E X F 1 G 1 I 1 viii ...
Page 31: ...INSTALLATION MOUNTING CENTERS WHEN FLANGES ARE OVERLAPPED Figure 2 2 617A Panel 2 7 ...
Page 33: ...INSTALLATION Z21OA1 ADAPTER Y ADAPTER WP90851 L1 858A ADAPTER Figure 2 3 SIP Adapters 2 9 ...
Page 50: ...INSTALLATION Figure 2 10 Three Cabinet System Front View With Covers Removed 2 26 ...
Page 51: ...INSTALLATION Figure 2 11 Position of Shorting Plugs on CPU Memory Circuit Pack 2 27 ...
Page 72: ...INSTALLATION UPPER ADAPTER MOUNTING CLIP Figure 2 18 Mounting Adapters ...
Page 85: ...INSTALLATION 2 61 ...
Page 92: ...INSTALLATION 2 68 ...
Page 103: ...INSTALLATION Figure 2 32 10B Emergency Transfer Unit 2 78 ...
Page 104: ...INSTALLATION Figure 2 33 Emergency Transfer Unit Connections 2 79 ...
Page 109: ...INSTALLATION Figure 2 35 Attendant Console With DXS Console 2 84 ...
Page 146: ...INSTALLATION 2 119b This page intentionally left blank November 1995 ...
Page 153: ...INSTALLATION This page intentionally left blank 2 124b November 1995 ...
Page 223: ...MAINTENANCE Figure 4 2 Clearing Supply Troubles Sheet 1 of 2 4 47 ...
Page 224: ...MAINTENANCE Figure 4 2 Clearing Power Supply Troubles Sheet 2 of 2 ...
Page 225: ...MAINTENANCE Figure 4 3 Clearing CO Trunk Troubles 4 49 ...
Page 226: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 1 of 4 4 50 ...
Page 227: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 2 of 4 4 51 ...
Page 228: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 3 of 4 4 52 ...
Page 229: ...MAINTENANCE Figure 4 4 Clearing 4 Wire Tie Trunk Troubles Sheet 4 of 4 4 53 ...
Page 231: ...Figure 4 6 Clearing Tie Trunk Troubles Sheet 1 of 5 4 55 ...
Page 232: ...MAINTENANCE 6 7 8 9 10 Figure 4 6 Clearing Tie Trunk Troubles Sheet 2 of 5 4 56 ...
Page 233: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 3 of 5 4 57 ...
Page 234: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 4 of 5 4 58 ...
Page 235: ...MAINTENANCE Figure 4 6 Clearing Tie Trunk Troubles Sheet 5 of 5 4 59 ...
Page 236: ...MAINTENANCE Figure 4 7 Clearing Paging Equipment Troubles ...
Page 250: ...MAINTENANCE Figure 4 9 System Cabinet Backplane Wiring Side Sheet 2 of 2 4 74 ...
Page 251: ...MAINTENANCE Figure 4 10 TDM Signal Designations on Cabinet Backplane 4 75 ...
Page 252: ...MAINTENANCE Figure 4 11 Power Designations on Cabinet Backplane 4 76 ...
Page 263: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 1 of 3 ...
Page 264: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 2 of 3 4 87 ...
Page 265: ...MAINTENANCE Figure 4 12 Clearing Virtual Facilities Troubles Sheet 3 of 3 4 88 ...
Page 271: ...MAINTENANCE Figure 4 13 Clearing Switched Loop Attendant Console Troubles Sheet 1 of 5 ...
Page 272: ...MAINTENANCE 4 13 Clearing Switched Loop 2 of 5 Console Troubles Sheet 4 95 ...
Page 273: ...MAINTENANCE Figure 4 13 Clearing Switched 3 of 5 Loop Attendant Console Troubles Sheet 4 96 ...
Page 274: ...MAINTENANCE 4 13 Clearing Switched 4 of 5 Console Troubles 4 97 ...
Page 321: ...APPENDIX E Administration Codes and Data This page is intentionally blank E 2 b ...