AT&T System 75 Wiring Diagram page 288

CHAPTER 5. AUXILIARY EQUIPMENT INSTALLATION
B25A* OR
A25D† CABLE
PART OF AUXILIARY CABINET (SEE NOTE)
25-PAIR FEMALE
CONNECTOR
ON ED-1E443-10
PANEL
T
R
C 1
C 2
NOTE: AUXILIARY CABINET IS OPTIONAL
* USE WITH 66-TYPE CONNECTING BLOCK
† USE WITH 110-TYPE TERMINAL BLOCK
‡ STRAP TERMINALS -V AND A
Figure 5-7. Connections for PagePac 50/100/200 Amplicenter Only
"PAGEPAC"
50/100/200
AMPLICENTER
PAGE IN
PAGE IN
MUSIC/PAGE
SIG GND
T
R
278A ADAPTER
BZ1
C1
GRD
C2
BY1
A
BY2
‡
GRD
- V
D-181321
KIT
-48 VDC
POWER
SOURCE
PART OF
CROSS-CONNECT
FIELD
STATION SIDE
T
R
C1
C2
YELLOW
FIELD
25-PAIR FEMALE
CONNECTOR
ON ED-1E443-10
PANEL
T
R
SZ
SZ1
S
S1
T
R
C1
C2
T
R
TN763B
CIRCUIT
SZ
PACK
SZ1
PORT
S
S 1
A25D
CABLE
5-15