AT&T 1987 AT&T Telephone User Manual


 
SYSTEM 25
PART OF
CABINET
OCTOPUS
PART OF
CABLE
ZTN82
SIP
——
OR ZTN128
C2
Z210A
C1
C3
Z3A4
355AF
CALL
ADAPT.
ADAPT.
ADU
PROCESSOR
——
(PORT X)
PART OF
SIP
——————
TN726
——
C2
C1
TDM
DATA
Z210A
400B2
BUS
LINE
ADAPT.
ADAPT.
——
——————
C7
2012D
248B
TRANS.
ADAPT.
PART OF
SYSTEM
——
SIP
TN726
C2
W1
C1
Z3A1/A4
DATA
SIP
B1
ADU
LINE
ADAPT.
——
LEGEND:
B1 -
C1 -
C2 -
C3 -
W1 -
355AF -
Z3A1 ADU -
Z3A4 ADU -
248B ADAPTER -
400B2 ADAPTER -
2021D TRANSFORMER -
C7 -
ADMINISTRATION
TERMINAL
(NOTE)
TYPICAL-103A CONNECTING BLOCK*
MODULAR CORD (D8W-87) - PEC 2725-07G
OCTOPUS CABLE (WP90780) - PEC 2720-05P
EIA CROSS OVER CABLE (M7U-87) - PEC 2724-30C
4 PAIR INSIDE WIRING CABLE*
ADAPTER (RS-232 RECEPTACLE TO MODULAR JACK) - PEC 2750-A25
EQUIPPED WITH A 3 FOOT PLUG-ENDED EIA CORD - PEC 2169-001
EQUIPPED WITH 3 FOOT RECEPTACLE ENDED EIA CORD - PEC 2169-004
MODULARIZES 2012D TRANSFORMER
POWER ADAPTER
15-18V AC TRANSFORMER
MODULAR CORD (D6AP-87)
* - FURNISHED BY INSTALLER
NOTE: SYSTEM ADMINISTRATION TERMINAL OR MULTILINE
PEC 21691
VOICE TERMINAL WITH DATA BUTTON DIALS PORT X DDC TO
ESTABLISH DATA CONNECTION TO ZTN-82.
Figure 2-48. SAT On-Premises Switched Connections
2-231