AT&T 75 manual Introduction

CHAPTER 1. INTRODUCTION

The following should be noted:

•The abbreviation Generic 1, or G1, shown in the remainder of the document refers to DEFINITY Communications System Generic 1 multi-carrier and single-carrier cabinets.

•The abbreviation V1 shown in the remainder of the document refers to System 75 Version 1.

•The abbreviations V2 and V3 shown in the remainder of the document refer to System 75 and System 75 XE Version 2 and Version 3.

Features specified as V2 or V3 are not operational with earlier versions. For example, V2 features are not operational with V1 systems but are operational with V2 and later systems, and V3 features are not operational with V1 and V2 systems but are operational with V3 and Generic 1 systems.

The rest of this guide is divided as follows:

•Chapter 2. Description— Describes and illustrates the two console models and the two optional selector console models. Also describes the information presented on the console’s alphanumeric display and the tones heard at the console.

•Chapter 3. Operating the Console— Contains step-by-step instructions on how to place, release, split, hold, and extend calls.

•Chapter 4. Using the Features —Contains descriptions of features associated with the console and, where applicable, the procedures for activating and using them. The features are listed alphabetically.

•Chapter 5. Using the DCS Features (V2, V3, and Generic 1 Systems)—Provides an alphabetical listing of attendant features that operate transparently in a Distributed Communications System (DCS) environment.

•Chapter 6. Centralized Attendant Service (CAS) (V3 and Generic 1 Systems)— Describes the CAS features and provides the procedures for handling CAS calls; also describes CAS night service backup procedures used at a voice terminal.

•Chapter 7. Routine Maintenance— Describes a routine procedure that the attendant can use to check the console; also contains information on the effect of commercial power failure on the console.

•Chapter 8. Using the Console To Troubleshoot the System—Contains useful information on using attendant features to isolate and analyze system troubles; also provides trouble reporting guidelines.

•Chapter 9. System Summary— Provides a listing of feature access codes that the attendant can dial and lists intervals and limits set for the system that the attendant needs to know.

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