500-19-54 Dual Channel Telephone Interface

Front Panel Controls (single channel)

 

 

 

Channel 1

 

POWER

COMMS LINK

HYBRID

ON

OFF

I/F

 

FAIL

OFF

 

 

HYBRID

OK

ON

 

AUTO

SEIZE

DROP

When in Auto mode, an incoming call will be answered with a blip of 2 tones being sent down the line. The tones are an indication to the caller to enter the Direct Dial DTMF tones, if required, to call an individual panel within the Telephone group. This feature is only available when the TIC card is installed. This is set up in the configuration software.

Whilst the Hybrid is active it will detect the presence of continuous tone (dial tone) for 6 seconds or a DC break on the line (K-break) to detect the caller has gone on-hook and to drop the line.

This is done individually for each channel and configured by setting jumpers.

Trilogy Communications Limited

Issue 1.2

Page 9 of 19

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Trilogy Touch Technology 500-19-54, 700-19-54 manual Channel