TECHVIEW QV-3028 - DVR Rear Panel Connectivity

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.