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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Adjuncts
20-12The 801A Expansion Module
20
The 801A Expansion Module
Figure 20-4. The 801A Expansion Module
The 801A Expansion Module is an optional device which can be connected to an
8434DX (8434D02A) voice terminal to extend the number of call appearance and
feature buttons available on the voice terminal.
NOTE:
This expansion module can be connected ONLY to an 8434DX model
connected to a DEFINITY G3V3.3 (or later). The 8434DX has an Ex Mod
jack (labeled “EX MOD”) to which the 801A can be connected. Before
installing the expansion module to an 8434DX, make sure that the set is
labeled “8434DX,” has the “EX MOD” jack on the bottom of the set, and is
connected to a DEFINITY G3V3.3 (or later).
801A
18 Dual LED
call appearance/
feature buttons
6 Feature buttons,
each with a
green light