AVer EH11116H-4 series user manual - Manual (Page 29)

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CHAPTER 1
1.5 Audio, Sensor, Relay and RS485 pinhole allocation
The Sensor and Alarm enable you to connect 4 sensor inputs, 1 relay outputs and PTZ cameras. Just connect
the external sensor, relay, and PTZ camera pin directly to the pinhole. Check the table below and locate which
pinhole is assigned to sensor input and relay output.
1.5.1 Audio Out Pin Definition
Pin# Definition
OUT Audio out signal
1.5.2 Sensor Pin Definition
Sensor Pin # Definition
1 Sensor 1 signal
2 Sensor 2 signal
G Sensor ground
3 Sensor 3 signal
4 Sensor 4 signal
G Sensor ground
1.5.3 Relay Pin Definition
Relay Pin # Definition
C1 Relay Common 1
NO Relay Normal Open
NC Relay Normal Close