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The NVR42-8P-4K series rear panel is shown as below. See Figure 2-47.
Please refer to the following sheet for detailed information.
Icon
Power socket
Power switch
PoE PORTS
HDMI
RS-232
VGA
MIC IN
MIC OUT
1～4
Figure 2-47
Port Name
/
/
PoE port
Network port
High
Definition
Media Interface
USB3.0 port
RS-232
debug
COM.
VGA video output
port
Audio input port
Audio output port
Alarm
input
port
1～4
Function
Input AC 220V.
Power on/off button.
Built-in Switch，support PoE. The PoE PORTS can
provide power to the network camera.
The 8 PoE ports series product can support 48V
120W.
10M/100M/1000Mbps self-adaptive Ethernet port.
Connect to the network cable.
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.
USB3.0 port. Connect to mouse, USB storage
device, USB burner and etc.
It is for general COM debug to configure IP address
or transfer transparent COM data.
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.
Bidirectional talk input port. It is to receive the analog
audio signal output from the devices such as
microphone, pickup.
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.
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.
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