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8403 Voice Terminal
8403 Voice Terminal
The 8403 voice terminal is a multi-appearance digital telephone with three call appearance but-
tons, Conference, Transfer, Drop, and Hold buttons, a TEST button, a blue FEATURE button
which allows you to access 12 system features assigned by the System Manager and to choose
from among eight different ringing patterns, a MUTE button, a SPEAKER button which accesses
a 1-way, listen-only speaker, a red Message light, and a Volume control button.
The 8403 can be used in either a 4-wire or 2-wire environment. For more information, see the
section on ‘‘Wiring Information.’’
Applications
The 8403 voice terminal can be used with the DEFINITY Communications System G1, G2, G3,
System 75, and System 85. This voice terminal is especially suitable for general office workers
with low call volumes, manufacturing, warehousing, guard and/or reception areas, or office
desks.
The 8403 voice terminal can also provide simultaneous voice and data communications with the
7400B Plus Data Module. PC platform products can also be useful in providing voice capabilities
since these screen-based products can greatly enhance the telephone capabilities of these basic
voice terminals.
Physical Features
Dimensions
Note: The dimensions described here for the 8403 voice terminal are approximate:
Width = 7 3/4 inches
Depth (front to back) = 9 7/16 inches
Height (maximum with handset in place) = 5 1/2 inches
Thickness of housing = 1 1/2 inches
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