AT&T System 75, Wiring Diagram

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CHAPTER 2. HARDWARE (66/110-Type)
CONNECTS
TO 16-PORT
ANALOG
LINE
CIRCUIT
PACK
CONNECTS
TO CROSS-
CONNECT
FIELD
(NOTE)
LEGEND:
M = 25-PAIR MALE CONNECTOR
F = 25-PAIR FEMALE CONNECTOR
NOTE: AN A25D CABLE MUST BE USED BETWEEN
THE ADAPTER CABLE AND THE 110-TYPE
TERMINAL BLOCK.
Figure 2-22. 16-Port Analog Line Circuit Pack Adapter Cable (853B
Adapter)
The adapter cable is 8 feet long and can be ordered with the TN746
circuit pack. The adapter cable is coded as a 853B adapter and can be
ordered as follows.
16-PORT ANALOG LINE
ADAPTER CABLE ORDERING INFORMATION
Description Comcode
853B Adapter 104 305 834
4-Port Met Line Circuit Pack Concentrator Cable
The MET line circuit pack (TN735) contains four 3-pair circuits that
appear on a 25-pair connector at the switch. The WP-90929, List 3 and
List 4 cable assemblies shown in Figures 2-19 and 2-20, respectively
combine the MET line circuits appearing on two 25-pair connectors (at
the switch) into one 25-pair connector at the opposite end of the cable.
2-46