Net DVR DVR7004 - Page 20

20
User Manual
Alarm sensor connection:
Alarm input: The physical connections of the normal on/off mode are the same. And user can select normal on/off mode in the DVR. Typical alarm
connection: the sensor power supply is provided by DVR. The fig is as follows:
DVR
Sensor +12V GND Input 1 Input 2
+ - NO/NC C