AT&T System 85 manual An MSP-1 Power Supply is recommended

VOICE TERMINAL FEATURES

TABLE 3-C(continued).

Multi-Appearance Digital Voice Terminal Features

		VOICE TERMINALS
PHYSICAL
FEATURES	8403	8410	8434	602 CM	CM II & III
AC Powered
DC Powered	√	√	√	√	√
(supplied by PBX)			(Note 6)
Optional Enhancements
Headset Adapter	√	√	√	√	√
External Speakerphone	√	√	√	√	√
Digital Terminal
Data Module
Data Module Base
Call Coverage Module
Function Key Module
Digital Display Module
7400B+ Data Module	√	√	√	√	√

Note 6. In order to use the display on the 8434 voice terminal, you must connect an auxiliary power supply to the voice terminal.

An MSP-1 Power Supply is recommended.

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