Manual

3. Connectors for Alarm
Peel off the color skin of the cable and insert into the slot on the rear panel of DVR (The
connection part for alarm).
39
Connectors on Rear Panel
Item Physical connector Connector description
1 POWER input DC 19V/4A
2 Power switch host power switch
3 Video output Two video output for connecting TV or monitor (BNC)
4 Video input For connecting analog video signal input (BNC)
5 Audio Input For connecting audio signal
Alarm Input I/O alarm input, 4 for 4CH DVR and 8 for 8CH DVR
Alarm Output I/O output for alarm
RS485 RS 485 for connecting PTZ
RS232 For connecting PC
6
+12V
Power supply for DC relay and the current is 100MA
(make sure short circuit can not happen)
8
7
Network For connecting Ethernet
9 USB2.0 Copy video record via USB2.0
10 USB MOUSE Mouse operation equipment
11 audio output For connection audio output
12 Fan
Please check the fan function for diary maintained and
change new one if the fan has some problems