OV-7204 / OV-7208 H.264 DVR User Manual
4
No.
Physical interface
Interface description
1
1~4/8CH Video in
Connect analog video(camera) signal input, standard BNC
connector( 4 channel has 4 BNC connector)
2
Video out
CVBS output and connect the monitor
3
1~4/8CH Audio in
Connect active audio signals, such as pickup
4
Audio out
Connect the audio output
5
VGA
Connect VGA monitor, such as computer monitor
6
NETWORK
Connect the Ethernet
7
RS485
Connect the RS485 interfaces in equipments like PTZ
8
DC12V
Power interface
:
DC 12V/3A
9
ALARM
Connect alarm switch output
10
SENSOR 1
~
8
Connect alarm switch input, 4-channel equipment 4-alarm inputs,
8-channel equipment 8-alarm inputs
11
Grounding: To eliminate electrostatic from body