Table 2-20 Ports
Icon Port Name Function
Network port
10/100/1000 Mbps self-adaptive Ethernet port.
Connect to the network cable.
HDMI
High Denition
Media Page
High denition audio and video signal output port. It
transmits uncompressed high denition video and
multiple-channel data to the HDMI port of the display
device. HDMI version is 1.4.
USB port
Connect to mouse, USB storage device, USB burner
and more.
RS-232 RS-232 debug COM
It is for general COM debug to congure IP address or
transfer transparent COM data.
VGA
VGA video output
port
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.
MIC IN Audio input port
Bidirectional talk input port. It is to receive the analog
audio signal output from the devices such as
microphone, pickup.
MIC OUT Audio output port
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
1–8
Alarm input port 1–
8
●
There are two groups. The rst group is from port 1
to port 4; the second group is from port 5 to port 8.
They are to receive the signal from the external
alarm source. There are two types; NO (normal
open)/NC (normal close).
●
When your alarm input device is using external
power, please make sure the device and the NVR
have the same ground.
GND
Alarm input ground port.
NO1–NO3
Alarm output port
1–3
●
3 groups of alarm output ports. (Group 1: port
NO1–C1; Group 2: port NO2–C2; Group 3: port
NO3–C3). Output alarm signal to the alarm device.
Please make sure there is power to the external
alarm device.
●
NO: Normal open alarm output port.
●
C: Alarm output public end.
C1–C3
A
RS-485
communication
port
RS485_A port. It is the cable A. You can connect to the
control devices such as speed dome PTZ.
B
RS485_B. It is the cable B. You can connect to the
control devices such as speed dome PTZ.
Power input port Input 12 VDC/4 A.
Power Switch — Power on/o button.
User's Manual
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