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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
The 7400 Series Voice Terminals
11-74The 7407D, Enhanced 7407D, and 7407 Plus Voice Terminals
11
During the self-test, all the lights go on, the ringer sounds, and the display
character positions are lit. On the Enhanced 7407D and the 7407 Plus voice
terminals, the self-test ends when the user releases the DROP or DROP/TEST
button. On the 7407D voice terminal, the lights stay lit for a few seconds and then
go off.
Display
The 7407D, Enhanced 7407D, and 7407 Plus voice terminals are equipped with a
built-in, 2-line, 40-character per line, liquid crystal display. The 7407D voice
terminal has a standard, “twisted,” pneumatic display; the Enhanced 7407D and
7407 Plus voice terminals have a “super-twist” display.
DISPLAY button (on 7407D only)
This button is found only on the 7407D (7407D01B) voice terminal. It turns the
display on and off.
Display Adjustment Control (on 7407D and Enhanced 7407D)
On the 7407D (7407D01B) and Enhanced 7407D (7407D02C) voice terminals
there is a thumbwheel which adjusts the viewing contrast of the display.
Other Physical Features
Handset
The 7407D, Enhanced 7407D, and 7407 Plus voice terminals are equipped with
an R-type handset.
Dial pad
The 7407D, Enhanced 7407D, and 7407 Plus voice terminals are equipped with a
12-button touch-tone dial pad. On the 7407 Plus (7407D02D) voice terminal the
letters “Q” and “Z” have been added to the appropriate dial pad keys for directory
access, and the “5” button on the dial pad has raised bars for visually-impaired
users.
Jacks
The 7407D (7407D01B) voice terminal’s housing contains a Handset cord jack
just under the left side of the housing, and a Line jack on the back of the voice
terminal. There is an RS-232C connector on the optional data stand.
The Enhanced 7407D (7407D02C) and the 7407 Plus (7407D02D) voice
terminals’ housing contains a Handset cord jack just under the left side of the
housing and a Line jack and Speakerphone/headset adapter jack on the back of
the voice terminal.