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ISDN 7507 Display Terminal
Self-Test
The 7507 display terminal has a local self-test. When used with the SELECT button, the
DROP/TEST button begins and ends the self-test.
Loudspeaker
The 7507 display terminal has a built-in, programmable SPOKESMAN loudspeaker. The
SPEAKER button is used to turn the loudspeaker on and off. The Volume arrow buttons control
the volume of the loudspeaker.
Speakerphone
The 7507 display terminal has a built-in, programmable speakerphone. The SPEAKER button is
used to turn the speakerphone on and off. The green light next to the SPEAKER button goes on
when the speakerphone is active. The Volume arrow buttons control the volume of the speaker-
phone.
MUTE button
Pressing the MUTE button mutes the handset or the speakerphone, whichever is active. The red
light next to the MUTE button goes on. The user is placed in a listen-only mode.
Other Physical Features
Handset
The 7507 display terminal is equipped with an R-type handset.
Dial pad
The 7507 display terminal is equipped with a 12-button touch-tone dial pad.
Jacks
The 7507 display terminal housing contains three jacks. The Handset jack is located on the bot-
tom of the terminal. This jack can also be identified by the adjacent handset symbol. The Line
jack is located on the back of the terminal. The Adjunct jack, used for connection to the optional
adjuncts, is located on the bottom of the terminal. This jack can also be identified by the adjacent
speaker symbol. If the optional ADM is provided, there is an EIA RS-232D Interface connector
provided on its base.
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