DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Phone reference
11078400-series telephones
19
SPEAKER button which accesses either a 2-way speakerphone or a 1-way
listen-only speaker, a TEST button, a SHIFT button (some 8434DX telephones
will have a RING button instead), a red Message light, personalized ringing, a
built-in speakerphone with a reset option, and a built-in 2-line by 40-character
VFD display. The 8434 and 8434DX also have five softkeys and four display
control buttons which allow the user to access 15 features. These softkey features
can be used in addition to the features on the call appearance/feature buttons.
The 8434 and 8434DX telephones can be used in both a 4-wire and a 2-wire
environment.
NOTE:
In order to use the display on the 8434 or 8434DX telephone and to use an
801A expansion module connected to the 8434DX, you must connect an
auxiliary power supply to the telephone.
You can connect an 801A Expansion Module to the 8434DX telepho ne to pro vi de
24 additional call appearance/feature buttons.