User manual

44
Connectors on Rear Panel
Item Physical connector Connector description
1 V-out One video output for connecting TV or monitor (BNC)
2 Video In For connecting analog video signal input (BNC)
3 VGA For connecting VGA monitor
4 Net For connecting Ethernet
5 A-out For connection audio output
6 USB/MOUSE USB2.0/USB mouse
7 Audio In Audio input
8 DC +12V Power interface
9 Power switch Power On/Off
10 RS485+ RS485- RS-485 for connecting PTZ
3.6. Alarm post interface (optional)
Connection method of alarm post: firstly strip the cable to be connected, then use a small screwdriver
to jack up orange part, put the cable into the receptacle then loosen the screwdriver to fasten.
Alarm Input and Output
There are 8 sets alarm input connector and 1 set output for this DVR. Alarm input is for connection
IR annunciator, fog sensor. The connection diagram of DC alarm input as following: