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7407D, Enhanced 7407D, and 7407 Plus Voice Terminals
7407D, Enhanced 7407D, and 7407 Plus Voice Terminals
The 7407D, Enhanced 7407D, and 7407 Plus voice terminals are multi-appearance digital voice
terminals which provide digital voice, display, and data capabilities (the latter with the 7400B Plus
Data Module). There are three versions of the 7407D voice terminal. A brief description of each
of these versions is listed below:
The 7407D (the 7407D01B)—offers 10 call appearance/feature buttons, each with a red
in-use light and a green status light, four standard fixed feature buttons (CONFERENCE,
DROP, HOLD, and TRANSFER), three fixed feature buttons with an associated light
(CALCULATOR/SELECT RING, SPEAKERPHONE, and MICROPHONE), nine pro-
grammable feature buttons with lights (the two uppermost buttons can be used for voice
or display features, the lower seven for display features), 11 dual-function buttons, 22
programmable feature-only buttons without lights, a Message light, a DISPLAY button
that turns the display on and off, personalized ringing, a built-in speakerphone, a 2-line
by 40-character liquid crystal display, and a built-in calculator. This voice terminal also
provides the user the flexibility of adding a data stand to provide data communications.
Data access can also be provided by the addition of the PC/PBX Connection Card to any
AT&T compatible PC or by use of a 7400B Plus Data Module. This set is AC powered.
The Enhanced 7407D (the 7407D02C)—offers 10 call appearance buttons, each with a
red in-use light and green status light, four standard fixed feature buttons (CONFER-
ENCE, DROP, HOLD, and TRANSFER), three fixed feature buttons with an associated
light (SELECT RING, SPEAKER, and MUTE), 22 programmable feature-only buttons
without lights, nine programmable feature buttons with one light each (the uppermost two
buttons can be used for voice or display features, the lower seven for display features), a
Message light, personalized ringing, a built-in speakerphone, a connection for an adjunct
speakerphone or headset, a speakerphone with spokesman and Mute option, and
a 2-line by 40-character ‘‘super-twist’’ liquid crystal display. Data access can be provided
by the addition of the PC/PBX Connection Card to any AT&T compatible PC or by use of
a 7400B Plus Data Module. This set is powered from the switch.
The 7407 Plus (the 7407D02D)—offers 10 call appearance buttons, each with a red in-
use light and a green status light, four standard fixed feature buttons (CONFERENCE,
DROP, HOLD, and TRANSFER), three fixed feature buttons with one light each
(SELECT, SPEAKER/RESET SPKR, and MUTE), nine feature buttons with one light
each (the uppermost two buttons can be used for voice or display features, the lower
seven buttons for display features), 22 flexible feature buttons with no lights, a Message
light, personalized ringing, a built-in speakerphone with a reset and listen-only option,
and a built-in 2-line by 40-character ‘‘super-twist’’ liquid crystal display. Data access can
be provided by the addition of the PC/PBX Connection Card to any AT&T compatible PC
or by use of a 7400B Plus Data Module. This voice terminal is powered from the switch.
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