10
2. Open/Close output
A: N.O. Normal open, close when triggered. DVR must set as low voltage alarm.
B: N.C. Normal close, open when triggered. DVR must set as high voltage alarm.
Please refer to the picture below, channel 2 to channel 16 are the same as channel 1.
1
2
4
3
7
8
6
5
10
11
13
12
9
21
24
25
23
22
17
18
20
19
15
16
14
Switch Ch1
Alarm output:
There are three alarm output pin, the status of these pin are illustrated as below
N O
.
.
C O M
N C
.
.
N C
.
.
C O M
N O
.
.
There is an example for alarm output connection
Ala rm
5 V
N C
.
.
C OM
N O
.
.
