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47
Accessories and Adapters
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
1
Ear cap,
second handset,
headset,
active speaker or mi-
crophone
RJ-10
(4-pin
Western
socket)
1: microphone -
2: s
3: speaker -
4: micr
2
Recording 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
3 (ring): relay contact 1
3
Not used on
OpenCom 510
Round power
socket
(4 mm)
-
4
Door display
RJ-11 or
RJ-12
(6-pin
Western socket)
4, 5: relay contact 2
1, 2, 3, 6: NC
Electrical Data of Ports
Port
Connection Values
Microphone,
microphone of second handset,
headset microphone
Electret microphone
Typical sensitivity: 10 mV/Pa
Power feed: I < 300 µA at 1.5 V
Ear cap,
loudspeaker of second handset,
headset, headset loudspeaker
Typical impedance: 150 ± 30 ohms
Typical sensitivity: 94 dB/1 mW
(0 dB = 20 µPa)
Active speaker
Max. output voltage: 1 V
rms
at input impedance > 10 kohms
Содержание OpenCom 510
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