AT&T System 75 Wiring Diagram page 304

CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
"AUDICHRON"
H9040
ANNOUNCER
J1
A25D†
OR
B25A‡
CABLE
(350 FEET
MAXIMUM)
*
TERMINAL NUMBERS SHOWN ARE CONNECTING BLOCK/TERMINAL
BLOCK NUMBERS
†
USE WITH 11O-TYPE TERMINAL BLOCKS
USE WITH 66-TYPE CONNECTING BLOCKS
‡
Figure 5-17. Connections for Auxiliary Trunk Circuit Pack to Wake-
Up Announcement Unit
PART OF CROSS-CONNECT FIELD
STATION SIDE
1
2
9
3
4
10
5
6
11
7
8
12
13
YELLOW
JUMPERS*
FIELD
SWITCH SIDE
T1
1
R1
2
S1
5
T2
7
R2
8
S2
11
T3
13
R3
14
S3
17
T4
19
R4
20
S4
23
S11
6
PURPLE
FIELD
TN763B
CIRCUIT
PACK
5-31