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The 8400-Series Voice Terminals
Feature
Liquid Crystal Display (LCD)
Vacuum Fluorescent Display (VFD)
Softkeys and Display
Control Buttons
Call appearance/
Feature buttons
1-way Speaker
2-way Speakerphone
Feature Button
Shift Button
Transfer, Hold, Conf,
and, Drop Buttons
Test Button
Diagnostics Feature
(used with Test Button)
Mute Button
Volume Control Button
Message Light
Personalized Ringing
Kickstand (on back of set)
Adjunct Jack
EIA-232-D Jack
Analog Adjunct Jack
* The 2-way speakerphone can be optioned as a 1-way (listen-only) speaker,
(or it can be disabled).
2
THE 8400-SERIES VOICE TERMINALS
8403
8410B
3
10
√
√*
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
8410D
8411B
8411D
√
√
√
√
10
10
10
√*
√*
√*
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
8434DX
√
√
34
√*
√
√
√
√
√
√
√
√
√
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