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ISDN 8503T Voice Terminal
Other Physical Features
Handset
The 8503T voice terminal is equipped with a K-type wideband handset. With the 8503T voice ter-
minal, this handset has high fidelity audio capabilities.
A K-type Noisy Environment Handset (PEC: 31052A) can also be purchased and connected to
the 8503T voice terminal.
Dial pad
The 8503T voice terminal is equipped with a standard 12-button touch-tone dial pad for dialing
telephone numbers or accessing features.
The dial pad keys can also be used as memory-dialing locations. By pressing the PROGRAM
button to enter program mode, the user can store a programmed number or access code on
each of the 12 dial pad keys (memory-dialing locations). With the MEMORY button, the user can
dial these programmed numbers.
Ringing
The 8503T voice terminal has electronic tone ringing with eight possible personalized ringing pat-
terns that can be selected by pressing the PROGRAM button and then the CONF/RING button,
while on-hook. Ringer volume is controlled by the Volume ‘‘arrow’’ button when the voice termi-
nal is on-hook.
Jacks
The 8503T voice terminal housing contains three jacks. The Handset cord jack, for connecting
the handset to the voice terminal, is located on the bottom of the housing, near the front of the
voice terminal. The Line jack, for connecting the line cord to the voice terminal, is located on the
bottom (left center) of the voice terminal. The Adjunct jack, which is located on the bottom of the
voice terminal directly below the Line jack, is used for connecting optional adjunct equipment
such as an S201A Speakerphone or a 500A Headset Adapter to the voice terminal.
Cords
Two cords are supplied with the 8503T voice terminal: a coiled 9-foot modular Handset cord and
a 7-foot Line cord. An optional 12-foot Handset cord is available.
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