Template:NVR42-8P-4K Series Back Panel

NVR42-8P-4K Series

The NVR42-8P-4K series rear panel is shown as below.

Icon	Port Name	Function
Power socket	/	Input AC 220V.
Power switch	/	Power on/off button.
PoE  PORTS	PoE port	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.
Network port	10M/100M/1000Mbps 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.
USB3.0 port	USB3.0 port. Connect to mouse, USB storage device, USB burner and etc.
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.
1～4	Alarm input port 1～4	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.
N1,N2	Alarm output port 1～2	2 groups of alarm output ports.（group 1：port NO1～C1, group 2：port NO2～C2）. 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～C2
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.