AVer EXR6004-Mini user manual - Manual (Page 13)

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1.4.3 Connecting the Audio, Sensor and Relay Device
The Sensor, Alarm, and audio port enable you to connect 4 sensor inputs, 1 relay outputs, and 1 audio in
and 1 audio out device. Just connect the external sensor, relay, and audio in/out device pin directly to the
pinhole.
Check the table below and locate which pinhole is assigned to sensor input, relay output, and audio
in/out.
The signal from the sensor (i.e., infrared sensors, smoke detectors, proximity sensors, door sensors, etc.)
is being transmitted to the unit and this triggers the system to respond and send signal to relay device (i.e.,
alarm, telephone etc).
Audio in and out pinhole:
Pin # Definition
1 Audio input signal
2 Audio Ground signal
3 Audio output signal
4 Audio Ground signal
Sensor and Alarm pinhole:
Pin # Definition
5 Sensor 1 signal
6 Sensor 1 Ground signal
7 Sensor 2 signal
8 Sensor 2 Ground signal
9 Sensor 3 signal
10 Sensor 3 Ground signal
11 Sensor 4 signal
12 Sensor 4 Ground signal
13 Relay signal
14 Relay signal