ISDN 8528T Voice Terminal

ISDN 8528T Voice Terminal

The 8528T voice terminal is used with the Integrated Services Digital Network (ISDN) communi- cation system through a 4-wire ‘‘T’’-interface. The 8528T voice terminal offers the following: 28 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, the K-type handset which offers improved acoustic quality, an Adjunct jack for adjunct equipment, and touch-tone dialing. Four softkeys (the keys with arrows printed on them) and four display control buttons located below a 2-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 per - sonalized ringing pattern for the terminal.

Applications

The 8528T voice terminal can be used with the DEFINITY G2 and G3.

Physical Description

Dimensions

Note: The dimensions given here for the 8528T voice terminal are approximate.

Width = 11 3/4 inches

Depth (front to back) = 10 3/8 inches

Height (with handset in place) = 5 1/2 inches

Nine Fixed Features

CONF button

DROP button

TRANSFER button

HOLD button

MUTE button

3-447

Page 537
Image 537
AT&T System 85 manual Isdn 8528T Voice Terminal