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Connection of the alarm input:
Instruction of the alarm input end:
8 channel alarm inputs and no limit on the input type(normally open or normally close type). The power of the alarm sensor can
be provided by the DVR(If the DVR provide power to too many alarm sensors, it may affect the normal working of the DVR.). If
you need to restore the touched-off alarm remotely, you have to supply the controllable 12 V power of the DVR to the alarm sensor,
such as the smoke sensor.
Instruction of the alarm output end:
2 channel alarm outputs（ normally open touch）. In order to avoid the overwork of the DVR, please refer to the related parameter
of the relay, and see the attached form for the related relays’ parameter.
Instruction of the controllable +12V：
Able to be the alarm output; also able to be used to restore the power of the smoke alarm sensor.
Instruction of RS485 A、 B line:
Used to connect the A and B line of the pan-tilt decoder
Please short connect between the alarm input end and the power
the connection end of the alarm device
+12V GND
◎ ALARMIN
┇
◎ GND
+12V GND Com NC
◎ ◎ ◎ ◎
The
the DVR end
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