AT&T Callmaster Series Reference Manual page 98

VOICE TERMINAL FEATURES
Multi-Appearance Digital Voice Terminal Features
PHYSICAL
FEATURES
AC Powered
DC Powered
(supplied by PBX)
Optional Enhancements
Headset Adapter
External Speakerphone
Digital Terminal
Data Module
Data Module Base
Call Coverage Module
Function Key Module
Digital Display Module
Messaging Cartridge
7400B+ Data Module
3-8
TABLE 3-C (continued).
VOICE TERMINALS
7402 Plus 7403D 7404D 7405D 7406D 7406BIS 7406 Plus
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