User's Manual
22
Table 2-18 Ports
Icon Port Name Function
Network port
10/100/1000 Mbps self-adaptive Ethernet port.
Connect to the network cable.
HDMI
High Definition
Media Interface
High definition audio and video signal output port. It
transmits uncompressed high definition video and
multiple-channel data to the HDMI port of the
display device. HDMI version is 1.4.
USB 3.0 port
USB 3.0 port. Connect to mouse, USB storage device,
USB burner and more.
RS-232
RS-232 debug
COM
It is for general COM debug to configure 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 first 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/off button.
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