8
The signal from the sensor (i.e., infrared sensors, smoke detectors, proximity sensors,
door sensors, etc.) is being transmitted to the I/O card and this triggers the system to
respond and send signal to relay device (i.e., alarm, telephone etc).
Pin #
Definition
Pin #
Definition
1
Sensor 1 positive pole signal
11
Relay positive pole signal
2
Sensor 1 negative pole signal
12
Relay Comment 2
3
Sensor 2 positive pole signal
13
Relay negative pole signal
4
Sensor 2 negative pole signal
14
Relay positive pole signal
5
Sensor 3 positive pole signal
15
Relay Comment 3
6
Sensor 3 negative pole signal
16
Relay negative pole signal
7
Sensor 4 positive pole signal
17
Relay positive pole signal
8
Sensor 4 negative pole signal
18
Relay Comment 4
9
Relay Comment 1
19
Relay negative pole signal
10
Relay negative pole signal
20
Relay positive pole signal