Q-See QSD2216 Manual do Utilizador descarregar pdf (Página 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.

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

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 51 52

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Q-See QSD2216 Manual do Utilizador Página 10