ATT System 25 Installation And Maintenance Manual

Figure 4-8.
Figure 4-9.
Figure 4-10.
Figure 4-11.
Figure 4-11.a.
Figure 4-12.
Figure 4-13.
Figure C-1.
Figure C-2.
Figure C-3.
Table 2-A.
Table 2-B.
Table 2-C.
Table 2-D.
Table 2-E.
Table 2-F.
Table 4-A.
Table 4-B.
Table 4-C.
Table 4-D.
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Table 4-F.
Table A-A.
Table A-B.
Table A-A.
Table A-B.
Table C-A.
Table C-B.
Table E-A.
Table E-B.AC Power Schematic
4-68
System Cabinet Backplane Wiring Side (Sheet 1
of 2)4-73
TDM Signal Destinations on Cabinet Backplane   4-75
Power Designations on Cabinet...

Table E-C.
Table E-D.
Table E-E.
Table E-F.
Table E-G.
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Table E-H.
Table E-1.
Table E-J.
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Table E-X.
Table E-Y.
Table E-Z.
Table E-AA.
Table E-AB.
Table E-AC.
Table E-AD.
Table E-AE.
Table E-AF.
Table E-AG.
Table E-AH.Voice Terminal Type Codes
Feature Button Translation (Menu=1/2) 
Multiline Voice Terminal Button Defaults 
Switched Loop Attendant Console Button...

INTRODUCTION
INTRODUCTION
This manual provides procedures and information for installing, and testing the
AT&T System 25 Release 3 and associated equipment. The maintenance
information contained in Section 4 pertains to the AT&T System 25 Release 1,
Versions 1 and 2 (RI VI and R1V2), Release 2, Version 1 (R2V1 ), as well as to
AT&T System 25 Release 3, Version 1,2 and 3 (R3V1, R3V2 and R3V3).
Installation and maintenance procedures for the AT&T System 25 Call
Management System and Integrated Solution are...

INTRODUCTION
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lSection 5 References-Lists anddescribes other related
documentation
Section 6 Abbreviations and Acronyms-Lists and describes
abbreviations and acronyms frequently encountered in System 25
documentation
Appendix A. System Wiring Table–Lists pinouts and wiring used
with System 25
Appendix B. Parts Listing—Lists all related parts of System 25
Appendix C. System Additions and Changes-Describes how to
make additions to an existing system
Appendix D. System Upgrade–Describes how to...

INSTALLATION
INSTALLATION
Installation of a System 25 requires the completion of a number of basic
steps, similar to those required to install any customer switching system.
Assuming that the building (station) wiring is already in place, the
recommended sequence of steps for installation of the system is as follows:
1.Preinstallation Requirements
2. Install System Cabinets
3. Power Up and Initialize System
4.Install Cross-Connect Equipment (See Note below.)
  5. Install Modular Bulk Power Supply...

INSTALLATION
TOOLS AND TEST EQUIPMENT
Table 2-A lists tools and test equipment required for installing a System 25.
Table 2-A.
Tools and Test Equipment Required for Installation
TasksTools Required
Recommended Type
InstallPush Drill
Cross-ConnectScrewdriver8-inch Flat Blade
Field
Carpenter’s Level30-inch
Rule30-inch
Chalk Line
11 O-type Punch-down ToolAT-8762 D-Impact Tool
AdapterBR866 JC (403608235)
UnpackTin Snips
CabinetUtility Knife
Adjustable Wrench6- or 8-inch 
InstallRule
30-inch...

INSTALLATION
CROSS-CONNECT EQUIPMENT DESCRIPTION
This section provides a brief description of some of
connect/interconnect equipment. More details on the
can be found in the Reference Manual (555-540-200).
the following:
lTrunk Access Equipment
700A Jacks
Emergency Transfer Unit
l Station Interconnect Panel
— 617A Panel
Adapters
Fanning Strip
l Cables
— Splitter Cables
— Octopus Cables
— Cable Labels.the System 25 cross-
System 25 equipment
This section describes
2-3 

INSTALLATION
Trunk Access Equipment
The trunk access equipment (TAE) consists of 700A-I 10-61-25 or 700A-66-
B1 -25 (157BF) cut-down jacks, or equivalent, and up to four 10B Emergency
Transfer Units (ETUs). The 10B ETU is shown in Figure 2-1.
700A- 110-M-25 or 700A-66-B1-25 (157BF) Cut-Down Jack
Trunk circuits that appear on the network interfaces are grouped by trunk
type (Direct Inward Dialing [DID], Central Office [CO], or Tie) and punched
down on the 700A jack. One 700A jack is required for each RJ21...

INSTALLATION
NOTE: 9“ WIDE, MOUNTING
CENTERS ARE 8-1/2”
APART, FLANGES
OVERLAPPED
Figure 2-1.10B ETU
2-5 

INSTALLATION
Station Interconnect Panel (SIP)
The SIP is the station cross-connect field and consists of the following
equipment:
l 617A Panels
l Adapters
l 50A Fanning Strips.
617A Panel
The 617A Panel is a metal plate with keyslot holes on each side for mounting
on a backboard. (See Figure 2-2.) Each 617A Panel can hold eight 2210A2
or 858A Adapters, each of which can accommodate six connections to the
port circuits in the cabinets.As many as five 617A Panels may be required
for a maximum size...