eLine Technology PRO3 User Manual - Manual (Page 16)

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If we parallel connected the sensor, the DVR can not recognize the triggered sensor. User need to have a resistance.
2. Alarm output connection:
The alarm output side is normal-off and do not have voltage output. The other alarm equipments (loudspeaker, light, alertor) need the individual power supply.
+12V GND Input1 Input2 DVR
NO/NC + - C NO/NC + - C NO/NC + - C
Sensor1 Sensor3 Sensor2
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