ATT System 25 Reference Manual

HARDWARE DESCRIPTION
SYSTEM 25PART OF
CABINET
OCTOPUS
CABLE
PART OF
SIP
ZTN79C2SIPW1VOICE
ATLB1C1ADAPT.TERMINAL
LINE CPT1
LEGEND:
B1- TYPICAL-103A CONNECTING BLOCK*C1- MODULAR CORD (D8W-87) - FURNISHED WITH SET
C2 - OCTOPUS CABLE (WP90780) - PEC 2720-05P
T1- 7300H TYPE VOICE TERMINAL OR ATL CORDLESS TELEPHONE
W1- 4 PAIR INSIDE WIRING CABLE*
* - FURNISHED BY INSTALLER
NOTE: RANGE WITHIN 2000 FEET OF SYSTEM CABINET (LOCAL POWER
REQUIRED BEYOND 1000 FEET).
Figure 4-30.
0n-Premises 7300H Series Multiline...

HARDWARE DESCRIPTION
SYSTEM 25
CABINET
ZTN79
ATLLINE CPPART OFEXPOSED
OCTOPUS CABLECABLE
PART OF SIPIROBIROB
C2SIP
C1PROTECTIONPROTECTIONTII 341TII 341ADAPT.
(NOTE 1)(NOTE 1)
W1
B1
-48V DCP1
LEGEND:
B1 -
C1 -
C2 -D -
G -
T1 -
W1 -C7 -
P1 -
Z400F -
NOTES:1. IROB
TYPICAL-103A CONNECTING BLOCK*
MODULAR CORD (D8W-87) - FURNISHED WITH SET
OCTOPUS CABLE (WP90780) - PEC 2720-05P
# 10 AWG GROUND WIRE*
APPROVED BUILDING GROUND
7300H-TYPE VOICE TERMINAL
4 PAIR INSIDE WIRING CABLE*
MODULAR CORD (D6AP-87)
KS-22911...

HARDWARE DESCRIPTION
SYSTEM 25
CABINET
PART OF
OCTOPUS
CABLEPART OF SIP
TN735
METC2SIPW1B1400B2C1/C9MET
LINE CPADAPT.ADAPT.SET
C7
248BADAPT.
(NOTE)
2012DTRANS.
LEGEND:
B1- TYPICAL-103A CONNECTING BLOCK*
C1 - MODULAR CORD (D8W-87) - FURNISHED WITH SET
C2 - OCTOPUS CABLE (WP90780) - PEC 2720-05P
C9 - ADAPTER CORD (ZD8AJ-87) - PEC 2750-A17
MET SETS - 2991C05, 2993C04, AND 2991D05 10-BUTTON MET SETS -USE C9 AND C1
MET SETS -7203M 12-BUTTON MET SET - USES C1 ONLYW1- 4-PAIR INSIDE WIRING CABLE*
248B ADAPTER -...

HARDWARE DESCRIPTION
SYSTEM 25PART OF
CABINETOCTOPUS
CABLEPART OF
SIP
ZTN79C2451AZ400FC1SIPHYBRIDADAPT.LINE CPADAPT.ADAPT.
C7W1
MBPS
P2
(NOTE)7300HSERIESVOICETERMINAL
C1B1
LEGEND:B1- TYPICAL -103A CONNECTING BLOCK*
C1- M0DULAR CORD (D8W-87)C2 - OCTOPUS CABLE (WP90780)
C7 - MODULAR CORD (D6AP-87)
P2 - M0DULAR BULK POWER SUPPLY, CONSISTING OF:
POWER UNIT (346A) - PEC 31760
POWER PANEL (346A1) - PEC 31761
W1 -4-PAIR INSIDE WIRING CABLE*
*- FURNISHED BY INSTALLER
NOTE: PEC 62510 CAN ALSO BE USED TO SUPPLY...

HARDWARE DESCRIPTION
SYSTEM 25
PART OF
CABINETOCTOPUS
CABLEPART OF SIP
ZTN78
C2ORTN742
Y ADAPT.
(WP90851-L1)
TN726C2
LEGEND:ZTN78 -
TN742 -
TN726 -
B1 -
C1 -
C2 -
C5 -
W1 -
WP90851-L1 -
Z3A1 ADU -
NOTES:SIP
W1B1C1Z3A1
ADAPT.
ADU
RS-232
TERMINAL
TIP RING LINE CP
ANALOG LINE CP
DATA LINE CP
SINGLE-LINE SET(NOTES)TYPICAL -103A CONNECTING BLOCK*
MODULAR CORD (D8W-87) - PEC 2725-07G
OCTOPUS CABLE (WP90780) - PEC 2720-05P
MODULAR CORD (D4BU-87) - FURNISHED WITH SET
4-PAIR INSIDE WIRING CABLE*
MODULAR Y ADAPTER...

HARDWARE DESCRIPTION
SYSTEM 25PART OF
CABINETOCTOPUS
CABLE
PART OF SIP
ZTN79C2
ATL
LINE CP
Y ADAPTSIP
(WP90851-L1)ADAPT.
TN726DATAC2
LINE CP
W1C1B1
Z3A5
ADU
-48V DCC1
P1
RS-232
TERMINAL
LEGEND:WP90851-L1- MODULAR Y ADAPTER - PEC 2750-T05
B1- TYPICAL -103A CONNECTING BLOCK*
C1 -MODULAR CORD (D8W-87) - PEC 2725-07G7300H
C2 -OCTOPUS CABLE (WP90780) - PEC 2720-05PSERIES
W1 -4-PAIR INSIDE WIRING CABLE*VOICE
Z3A5 ADU -
E/W 3-FT PLUG-ENDED EIA CORDTERMINAL
C1 -D8W-87 14-FT MODULAR CORDPEC 62506
P1 -KS-22911...

HARDWARE DESCRIPTION
SYSTEM 25
CABINET
TN726
HOSTCOMPUTERORTERMINALS
LEGEND:TN726 - DATA LINE CPMADU - MULTIPLE ASYNCHRONOUS DATA UNIT (PEC 2169-005)
SINGLE UNIT ASSEMBLY (8 ADU PORTS)
W2 - BUILDING WIRING (25-PAIR CABLE)
C10 - 25-PAIR CENTERFEED-TO-ENDFEED CABLE (PEC 2724-78B)
(ALWAYS REQUIRED)
C11- M48C OCTOPUS
EIGHT 6-INCH
C12 - M48G OCTOPUSEIGHT 6-INCH
Figure 4-36.
CABLE (PEC 2724-29G) (7-FOOT CORD WITH
ARMS FOR “DTE” HOST INTERFACE
CABLE (PEC 2724-98G) (7-FOOT CORD WITH
ARMS FOR “DCE” HOST...

HARDWARE DESCRIPTION
D8AM-87 CROSSOVER CORD
(REQUIRED IF THIS ADU IS CONNECTED
TO ANOTHER ADU OR ANY OTHER DCE DEVICE, RATHER THAN DATA LINE CP)
NOTE:PEC 21691 INCLUDES 2012D TRANSFORMER, 248B AND 400B2
ADAPTERS AND D6AP CORD.
Figure 4-37.Z3A1/2/4 ADU Local Power Connections
4-78 

TECHNICAL SPECIFICATIONS
Hardware and Software Parameters                                5-2
Unit Loads                                                             5-6
Cable Distance Limitations                               5-7
Call Progress Tones                                                          5-10
Indicator Lamp Signals                                                             5-11
Port Specifications                                                               5-12
Recommended Central...

Figures
Figure 5-1.Single-Line Voice Terminal Allowable Cable Distances                     5-7
Figure 5-2.Multiline Voice Terminal Allowable Cable Distances                                   5-8
Figure 5-3.Asynchronous Data Unit Allowable Cable Distances (In-Building
Only)   5-9
-ii-