User Manual
3
2.2 4CH-CIF 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 output
2CH output; RCA(interface
)
4
Audio input
2CH audio input (BNC interface
)
5
Ethernet: Port
Connect LAN, Ethernet (RJ45 interface)
6
VGA Port
Connect to VGA monitor, such as PC monitor (Optional)
7
USB Port
Connect USB device (Flash Drive, Hard Drive and Recorder etc) mouse
8
RS-485
RS485 interface
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.