Operation Manual

User Manual
3
2.2.2、8CH DVR Back Panel
Item Physical port Connection method
1
Video input
Connect CH1-4 (Virtual) video input device（BNC interface）
2
Video output Connect monitor output(BNC interface)
3
Audio Input
4CH audio input (BNC interface）
4
Audio Output
2CH output; RCA(interface）
5
VGA Port Connect to VGA monitor, such as PC monitor (Optional)
6
Ethernet: Port Connect LAN, Ethernet (RJ45 interface)
7
USB Port Connect USB mouse
8
RS-485/Sensor/Alarm RS485/Sensor/Alarm interface (see pin outs below)
9
Power Port Connect power supply - DC12V 3A
RS485/Sensor/Alarm port functions:
Alarm input: Connect [-] port of your sensor to G (GND) pin, and [+] port to channel input
according to the alarm device you purchased.
Alarm output: Connect to the two ports marked with “out”
PTZ Port：Connect your camera to RS-485A and RS485B accordingly.