Specifications

Table Of Contents
The 7400 Series Voice Terminals
11-86 Issue 11 December 1999
Adjuncts
The following adjuncts can be used with these voice terminals:
NOTE:
Any adjunct equipment connected to the 7407 sets needs auxiliary power,
except for the 7400B Plus Data Module, which is AC powered.
S101A Speakerphone (7407D02C and 740702D)
S201A Speakerphone (7407D02C and 7407D02D)
500A Headset Adapter (used with the 7407D02C and 7407D02D) (and a
standard headset; see Headsets below)
7400B Data Module
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 later in this manual.