Sensor (Alarm-In) Connection
No.1 Sensor
GND
No.9 Sensor GND
02 connecting with other devices
Your DVR system is capable of transmitting electrical signals to external devices when an event occurs. Mechanical or electrical switches can be connected to the
Alarm-In Connection
1.Connect one of the external device’s signal lines to the desired
2.Connect the remaining line to the Ground port (GND).
connecting with other devices _07