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ISDN 7506 Display Terminal
ISDN 7507 Display Terminal
The 7507 Display terminal is used with the Integrated Services Digital Network (ISDN) communi-
cation system through a 4-wire ‘‘T’’-interface. The modular 7507 is a voice terminal when
equipped with a Voice Only Module (VOM). As a telephone it offers programmable buttons, fixed
feature buttons, Message light, touch-tone dialing, and a built-in, programmable speakerphone or
SPOKESMAN loudspeaker. The speakerphone can be programmed at the terminal by the user
for one of three states: On, Disabled, and SPOKESMAN loudspeaker. The 7507 can be
equipped with an optional Asynchronous Data Module (ADM) that provides the user with simul-
taneous voice and data capabilities. The 7507 equipped with the ADM offers the same voice
capabilities as the 7507 equipped with the VOM, plus it allows attached data terminals or per-
sonal computers to send and receive data through the digital network. The terminal is equipped
with a 2-line, 40-character display.
Note: The 7507 voice terminal is no longer being manufactured.
Applications
The 7507 display terminal can be used with the DEFINITY G1, G2, and G3. Typical applications
of the display terminal are users requiring a large number of line appearances with or without
data capabilities. It is particularly useful for secretary/receptionist positions and executives.
Physical Description
Dimensions
Note: The following dimensions for the 7507 terminal are approximate.
Width = 12 inches
Depth (front to back) = 8-3/4 inches
Height (maximum with handset in place) = 5-1/4 inches
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