Overview; Compatible At&T Pbx Systems; Chapter 1: Introduction - Avaya 6424D+M User Manual

DEFINITY Communications System
DEFINITY High Speed Link
User´s Guide

OVERVIEW

Compatible AT&T PBX
Systems

Chapter 1: Introduction

This chapter provides an overview of the operating interfaces that
make the DEFINITY High Speed Link suitable for a variety of data
communications tasks and describes the physical features that
assist you in configuring the HSL for your application.
The HSL is a data service unit that allows data equipment to
access the data services of System 75/85 and DEFINITY
switches. It is used where the integration of voice and data is not
required. The HSL supports synchronous data transmission at
speeds of 56 and 64 Kbps, and provides a link to high speed data
networks.
The following AT&T PBX systems can be administered to operate
with the HSL:
DEFINITY
DEFINITY
DEFINITY
AT&T System 75
AT&T System 85
Communications System Generic 1
Communications System Generic 2
Communications System Generic 3
Chapter 1: Introduction
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