34
Accessories and Adapters
Audio Adapter
The audio adapter is an adapter ex-
tension with four different ports for
external audio and signalling de-
vices.
Weight: 70g
Dimensions: 73 x 60 x 30 mm
Power consumption: max. 260 mW
(with relay active).
Audio Adapter Pin Assignment
Port Used for Socket Assignment
1Ear cap,
second handset,
headset,
active speaker or mi-
crophone
RJ-10
(4-pin
Western
socket)
1: microphone -
2: speaker +
3: speaker -
4: microphone +
2Recording device; relay
contact generates sig-
nal for starting and
stopping recording.
Stereo jack,
3.5 mm
1 (GND): recording
signal, relay contact 1
2 (peak): recording signal +
3 (ring): relay contact 1
3 Not used on
OpenCom 100
Round power
socket
(4 mm)
-
4Door displayRJ-11 or
RJ-12
(6-pin
Western socket)
4, 5: relay contact 2
1, 2, 3, 6: NC
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