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2-8
DHS General Description
Enhanced Key Telephone
The Enhanced Key Telephone is fully equipped for hands-free, speakerphone operation.
This key telephone is expanded to 28 buttons. Eight fixed function buttons remain
consistent with those of the Basic Key Telephone.
Twenty buttons are user-programmable feature buttons equipped and dual color LED
with pre-assigned default settings for quick power up operation. These buttons are
arranged in five rows and four columns. Beginning at the top left button they are
assigned the following default values; Station 10 - 21, CO line 1-6, HF/Tone and Message
Waiting. The Enhanced Key Telephone also is equipped with a 12-key Dial Pad for dialing
intercom numbers, system feature codes and telephone network numbers on CO lines.
Figure 2-7: Enhanced Key Telephone
Each telephone is equipped with an Additional Device Port (ADP) located on the
underside of the phone for user-friendly connection of analog devices (answering
machines, faxes, modems, cordless telephones, etc.). An analog adapter is required for
this port to be equipped for use as an extension of the system.
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