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7404D Voice Terminal
7404D Voice Terminal
The 7404D is a multi-appearance digital voice terminal which provides simultaneous
voice/asynchronous data transmission. All the transmission is done over the same two pairs of
wire.
The 7404D voice terminal can be equipped with one of two different optional cartridges. The
Z300B cartridge provides a display of voice call related and personal service information on an
attached data terminal. The Z300C cartridge provides an interface between an AT&T PC (or
compatible) with the PC/PBX Connection application program and the DEFINITY G2 or System
85 DCP.
The 7404D voice terminal was discontinued in February 1989, but will be supported until Febru-
ary 1994.
Applications
The 7404D voice terminal can be used with the DEFINITY G1, G2, G3, System 75, and System
85. Typical applications of the 7404D voice terminal are users who have data terminals or a PC
that requires a small selection of lines and features.
Physical Description
Dimensions
Note: The following dimensions for the 7404D voice terminal are approximate.
Width = 7 inches
Depth (front to back) = 8-3/4 inches
Height (maximum with handset in place) = 5-1/2 inches
Thickness of housing = 1-1/2 inches
Features
Four Fixed Feature Buttons
CONFERENCE button
DROP button
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