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Function Key Modules
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.
IMPORTANT: This expansion module can be connected ONLY to an 8434DX model con-
nected to a DEFINITY G3V3.3 (or later) switch. 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) switch.
Applications
At this time, the 801A Expansion Module can be connected only to an 8434DX voice terminal.
Physical Description
Buttons
The expansion module has 24 buttons arranged in two columns.
The top 18 buttons (that is, the top nine buttons in each column) have a red and a green
light next to them. These buttons can be used for call appearances or features.
The bottom six buttons (that is, the last three buttons in each column) have a single
green status light next to them. These buttons can be used for features only.
Mounting
The 801A Expansion Module is connected to an 8434DX voice terminal with a DW-67AP cord.
This cord is plugged into the LINE jack on the voice terminal and then plugged into the TELSET
jack on the expansion module.
Color Options
The Expansion Module is available in black or AT&T white.
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