AT&T System 85 manual 295

8434 and 8434DX Voice Terminal

Adjuncts

The following adjuncts can be used with the 8434 and 8434DX voice terminals:

Note: Auxiliary power is required when any adjuncts are added to the voice terminal, except for the 7400B Plus Data Module which is AC powered. For auxiliary power, an MSP-1 Power Supply is recommended.

An 801A Expansion Module can be connected to an 8434DX voice terminal connected to a DEFINITY G3V3.3 (or later) switch.

S101A Speakerphone (no longer orderable)

S201A Speakerphone

CS201A Speakerphone

7400B Plus Data Module in a 4-wire environment; 8400B Plus Data Module in a 2-wire environment

500A Headset Adapter (and a standard headset; see ‘‘Headsets’’ on next page)

K6S2 Amplifier Handset

Shoulder Rest

Headsets

A list of compatible headsets, consisting of both modular and plug prong base units and selection of headpieces, appears in ‘‘Headset Adapters’’ in the Adjuncts section (behind the Adjuncts tab) later in this manual.

Additional Documents

The following documents contain additional information relating to the 8434DX voice terminal: (Use the 9-digit number listed after each document to order that book from the AT&T GBCS Pub- lications Fulfillment Center.)

8400-Series Voice Terminals Instructions for Installation, Switch Administration, and Pro- gramming the Options, 555-015-165

DEFINITY Communications System Generic 1 and 3 and System 75 8434 Voice Termi- nal User’s Guide, 555-230-765

DEFINITY Communications System Generic 1 and 3 and System 75 8434 Voice Termi- nal Quick Reference Guide, 555-230-766

3-295