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Tables – AT&T System 25 User Manual

Page 21

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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

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