5
4/8/16-CH DVR Quick Start Guide
I/O Port Description
8CH I/O Ports
16CH I/O Ports
Index
Name
Description
1
Alarm input
Connection for external Alarm Peripherals(PIR Sensor, Alarm
Panel).
2
GND
Grounding.
3
Alarm output
Connection for external devices (Pezos, buzzer, siren).
4
RS-485
Communication terminal for Pan/Tilt/Zoom cameras.
Index
Name
Description
1
Video input
Composite video signal
(
CVBS
)
input interface.
2
Audio input
Audio input interface.
3
HDMI
HDMI output interface.
4
VGA
VGA output interface.
5
Video/Audio
output
Composite video/audio signal
(
CVBS
)
output interface.
6
I/O Ports
Alarm input/output, RS-485 interface.
7
USB/Network
USB2.0 and RJ-45 interface.
8
Power input
DC 12V.
9
Power switch
Turn on/off the DVR main power.