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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
ISDN Voice Terminals
17-42The ISDN 8520T Voice/Data Terminal
17
The 8520T voice/data terminal is used with the ISDN communication system
through a 4-wire “T”-interface. The 8520T voice/data terminal offers the following:
20 call appearance/feature buttons, each with a red and green status light, buttons
for the Mute, Redial, Conference, Drop, Transfer, and Hold features (the MUTE,
SPEAKER, CONF, and TRANSFER buttons have a red light next to them), a
Speakerphone which can also be optioned as a listen-only Speaker, a Volume
control, improved acoustic quality with the K-type handset, an Adjunct jack for
adjunct equipment, and touch-tone dialing. Ten softkeys and four display control
buttons located on either side of the 7-line by 24-character liquid crystal display
can be used to access such features as a personal Directory, a Call Log which
lists the most recent incoming and outgoing calls, the Self-Test feature, and a
personalized ringing pattern for the voice/data terminal.
Applications
The 8520T voice/data terminal can be used with the DEFINITY Communications
System Generic 2 and Generic 3, and the DEFINITY ECS. It can be used as a
voice terminal or a data terminal.
Physical Description
Dimensions
NOTE:
The dimensions given here for the 8520T voice/data terminal are
approximate.
Width = 11-1/2 inches
Depth (front to back) = 10-1/4 inches
Height (maximum with handset in place) = 5-3/8 inches