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8110 and 8110M Telephones
ISDN 7505 Modular Terminal
The 7505 Modular Terminal is used with the Integrated Services Digital Network (ISDN) commun-
ication system through a 4-wire ‘‘T’’-interface. The modular 7505 is a voice terminal when
equipped with a Voice Only Module (VOM). As a telephone, it offers programmable buttons,
fixed feature buttons, a Message light, touch-tone dialing, and a built-in, programmable speaker-
phone or SPOKESMAN loudspeaker. The speakerphone can be programmed at the terminal by
the user for one of three states: On, Disabled, or SPOKESMAN loudspeaker. The 7505 can be
equipped with an optional Asynchronous Data Module (ADM) that provides the user with simul-
taneous voice and data capabilities. The 7505 equipped with the ADM offers the same voice
capabilities as the 7505 equipped with the VOM, plus it allows attached data terminals or per-
sonal computers to send and receive data through the digital network.
Note: The 7505 voice terminal is no longer being manufactured.
Applications
The 7505 modular terminal can be used with the DEFINITY G1, G2 and G3. Typical applications
of the 7505 are users requiring a large number of line appearances with or without data capabili-
ties.
Physical Description
Dimensions
The following dimensions for the 7505 terminal are approximate.
Width = 8-3/4 inches
Depth (front to back) = 8-1/2 inches
Height (maximum with handset in place) = 6-1/4 inches
Features
Eight Fixed Feature Buttons
The 7505 is equipped with eight fixed feature buttons. Three of the buttons are dual purpose but-
tons that are used with the SELECT button to perform other functions.