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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 #
1.6.2 Relay Pin Definition
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.
Definition
Sensor 1 signal
1
Sensor 2 signal
2
Sensor 3 signal
3
Sensor 4 signal
4
Sensor ground
G
Sensor 5 signal
5
Sensor 6 signal
6
Sensor 7 signal
7
Sensor 8 signal
8
Sensor ground
G
Relay Pin #
1
2
G
3
4
G
Pin #
DVR site
RS485 TX+ signal
TX+
RS485 TX- signal
TX-
RS485 RX+ signal
RX+
RS485 RX- signal
RX-
Sensor Pin #
9
10
11
12
G
13
14
15
16
G
Definition
Relay signal
Relay signal
Relay ground
Relay signal
Relay signal
Relay ground
PTZ site
RS485 RX+ signal
RS485 RX- signal
RS485 TX+ signal
RS485 TX- signal
15
Definition
Sensor 9 signal
Sensor 10 signal
Sensor 11 signal
Sensor 12 signal
Sensor ground
Sensor 13 signal
Sensor 14 signal
Sensor 15 signal
Sensor 16 signal
Sensor ground
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