User manual
15
1.6 Sensor, Relay and RS485 pinhole allocation
The Sensor and Alarm enable you to connect 16 sensor inputs, 4 relay outputs and 1 PTZ camera. 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.
1.6.1 Sensor Pin Definition
Sensor Pin # Definition Sensor Pin # Definition
1 Sensor 1 signal 9 Sensor 9 signal
2 Sensor 2 signal 10 Sensor 10 signal
3 Sensor 3 signal 11 Sensor 11 signal
4 Sensor 4 signal 12 Sensor 12 signal
G Sensor ground G Sensor ground
5 Sensor 5 signal 13 Sensor 13 signal
6 Sensor 6 signal 14 Sensor 14 signal
7 Sensor 7 signal 15 Sensor 15 signal
8 Sensor 8 signal 16 Sensor 16 signal
G Sensor ground G Sensor ground
1.6.2 Relay Pin Definition
Relay Pin # Definition
1 Relay signal
2 Relay signal
G Relay ground
3 Relay signal
4 Relay signal
G Relay ground
1.6.3 RS485 Pin Definition
When connect PTZ camera through RS485 interface, please refer to the following pin definition to connect the
DVR and PTZ.
Pin # DVR site PTZ site
TX+ RS485 TX+ signal RS485 RX+ signal
TX- RS485 TX- signal RS485 RX- signal
RX+ RS485 RX+ signal RS485 TX+ signal
RX- RS485 RX- signal RS485 TX- signal