ATT DEFINITY Communications System Generic 3 Pocket Reference Instructions Manual

AT&T
AT&T 555-230-205
Issue 1
July 1993
DEFINITY® Communications System
Generic 3
Pocket Reference 

©1992 AT&T
All Rights Reserved
Printed in USA
While reasonable effort was made to ensure that the information
in this document was complete and accurate at the time of print-
ing, AT&T can not assume responsibility for any errors.
Changes and/or corrections to the information contained in this
document may be incorporated into future issues.
Your Responsibility for Your System’s Security
You are responsible for the security of your system. AT&T does
not warrant that this product is immune from or will...

TRADEMARK NOTICE
DEFINITY, DIMENSION, MEGACOM, ST, and TELESEER are
registered trademarks of AT&T.
AUDIX and CALLVISOR are trademarks of AT&T.
AUDICHRON is a registered trademark of Audichron Company.
PAGE PAC is a registered trademark of the Dracon Divison of
Harris Corp.
PORTA SYSTEMS is a registered trademark of Porta Systems,
Inc.
ORDERING INFORMATION
Call:
Write:
Order:AT&T Customer Information Center at 1 800 432-6600
In Canada call 1 800 255-1242
AT&T Customer Information Center
2855 North...

Contents
INTRODUCTION 1
SYSTEMS OVERVIEW 2
DESIGN BENEFITS 3
FEDERAL COMMUNICATIONS COMMISSION
(FCC) INFORMATION
 5
FEATURES6
SYSTEM PARAMETERS 
SYSTEM CABINET CONFIGURATIONS
CIRCUIT PACKS
 52 32
50
CONTROL CIRCUIT PACKS58
PORT CIRCUIT PACKS69
INTERFACE CIRCUIT PACKS85
POWER UNITS86
DUPLICATION OPTION88
i 

ENVIRONMENTAL REQUIREMENTS
MAXIMUM CABLING DISTANCES
90
92
PPN CABINET TO EPN CABINET MAXIMUM
CABLING DISTANCES
95
PROTOCOLS96
TRUNK SPECIFICATIONS
REFERENCES
99
102
NOTES:106
ii 

INTRODUCTION
INTRODUCTION
The Pocket Reference is intended to be used as a quick reference
for the following systems:
l
lDEFINITY® Communications System Generic 3i/r
Version 2 (multicarrier cabinet)
DEFINITY Communications System Generic 3s/vs/i/r
Version 2 (single-carrier cabinet)
Note:This document is intended for an audience that is
familiar with the systems discussed. Consequently, it
employs many abbreviations for commonly used
terms.
The DEFINITY Generic 3rV2 (G3rV2) Processor Port Network
(PPN)...

SYSTEMS OVERVIEW
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 l
SYSTEMS OVERVIEW
This document describes four types of DEFINITY systems:
DEFINITY Communications System Generic 3s Version 2
DEFINITY Communications System Generic 3vs
Version 2
DEFINITY Communications System Generic 3i Version 2
DEFINITY Communications System Generic 3r Version 2
Fundamental differences between the four types of system lie in
the:
Features supported
Capacities
Hardware used
Line sizes
Processors
Port Networks
2 

DESIGN BENEFITS
DESIGN BENEFITS
System management permits user friendly design, implementation,
and administration by the customer
Multiple Port Network—The Processor Port Network (PPN) contain-
ing the system’s control, software, and trunk/terminal circuit
packs and one or up to two (G3iV2) or up to twenty-one
(G3rV2) Expansion Port Network(s) (EPN) containing the inter-
face to the PPN and additional trunk and terminal circuit packs
(the Center Stage Switch is used with the G3rV2 to inter-
connect four...

DESIGN BENEFITS
Integrated voice/data switching of voice and data at rates up to 64
kbps
Digital TDM — Dual 2.048 MHz buses with distributed processing
down to port level
Voice gain and conference capability resident in port circuit
Connectivity to other System 75, System 85, DIMENSION ® PBX
Switches, DEFINITY Generic 1 (G1), DEFINITY Generic 2
(G2), and DEFINITY Generic 3 Version 1 (G3V1) and Version 2
(G3V2)
High reliability design and distributed power
DS1 interface
4 

FEDERAL COMMUNICATIONS COMMISSION (FCC) INFORMATION—
FEDERAL COMMUNICATIONS COMMISSION
(FCC) INFORMATION
The system FCC registration number is AS593M-13283-MF-E. The
ringer equivalent is 0.5 ampere.
5