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.
Alarm output:
There are three alarm output pin, the status of these pin are illustrated as below
Before Alarm | After Alarm |
There is an example for alarm output connection
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