24
3.8.2 Alarm Input Port
Please refer to the following sheet for more information.
Normal open or Normal close type.
Please parallel connect COM end and GND end of the alarm detector (Provide external
power to the alarm detector).
Please parallel connect the Ground of the DVR and the ground of the alarm detector.
Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
Use the same ground with that of DVR if you use external power to the alarm device.
3.8.3 Alarm Output Port
Provide power to peripheral alarm device.
Figure 3-5
To avoid overloading, please read the following relay parameters sheet carefully.
RS485 A/B cable is for the A/B cable of the PTZ decoder.
Relay Specification
Model:
XRC-27F
Material of the
touch
Silver
Rating
(
Resistance
Rated switch capacity
30VDC 2A, 125VAC 1A
Maximum switch power
125VA 160W
Содержание DVR-H**PG
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