AT&T 518-600-016 manual a General Purpose Adapter Adding Accessories

Frequency Generator A Frequency Generator is necessary in order to use basic telephones. A Frequency Generator must be connected to the Power Supply Module of each carrier that contains one or more Basic Telephone Modules. See page 2-67for installation instructions.

General Purpose Adapter

A General Purpose Adapter (GPA) connects Touch-Tone (not rotary) equipment such as modems, autodialers, and telephone extensions (including cordless telephones) to voice terminals (Figure 2-31).

MERLIN II System control u n i t

D8W cord

Analog

voice terminal

Line Other

D8AC

cord

General

Purpose

Adapter

VT Tel Equip

D48U cord

Modem 2212C

Line Terminal

RS232-C

Terminal or PC

FIGURE 2-31 A General Purpose Adapter.

Adding Accessories 2-119