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| | [[file:NVR428PBackPanel.png|500px]] | | [[file:NVR428PBackPanel.png|500px]] |
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| − | {| class="wikitable" width="567"
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| − | |-
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| − | | colspan="2" width="212"|
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| − | '''Name '''
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| − |
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| − | | width="354"|
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| − | '''Function '''
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| − |
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| − | |-
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| − | | rowspan="2" width="123"|
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| − | Power switch
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| − |
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| − | | rowspan="2" width="354"|
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| − | Power on/off button.
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| − |
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| − | |-
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| − | | rowspan="3" width="123"|
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| − | Power input port
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| − |
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| − | | width="354"|
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| − | Input DC 12V/5A.
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| − |
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| − | For NVR42 series product only.
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| − |
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| − | |-
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| − | | width="354"|
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| − | Switch power port. Input DC 48//1.04A.
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| − |
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| − | For NVR42-P series product only.
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| − |
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| − | |-
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| − | | width="354"|
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| − | Input AC 100~240V.
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| − |
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| − | For NVR42-8P series product only.
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| − |
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| − | |-
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| − | | width="90"|
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| − | MIC IN
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| − |
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| − | | width="123"|
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| − | Audio input port
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| − |
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| − | | width="354"|
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| − | Bidirectional talk input port. It is to receive the analog audio signal output from the devices such as microphone, pickup.
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| − |
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| − | |-
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| − | | width="90"|
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| − | MIC OUT
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| − |
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| − | | width="123"|
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| − | Audio output port
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| − |
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| − | | width="354"|
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| − | Audio output port. It is to output the analog audio signal to the devices such as the sound box.
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| − |
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| − | * Bidirectional talk output.
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| − | * Audio output on 1-window video monitor.
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| − | * Audio output on 1-window video playback.
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| − |
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| − | |-
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| − | | width="90"|
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| − | 1～4
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| − |
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| − | | width="123"|
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| − | Alarm input port 1～4
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| − |
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| − | | width="354"|
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| − | * There are two types; NO (normal open)/NC (normal close).
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| − | * 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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| − |
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| − | |-
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| − | | width="123"|
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| − | GND
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| − |
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| − | | width="354"|
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| − | Alarm input ground port.
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| − |
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| − | |-
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| − | | width="90"|
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| − | N1, N2
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| − |
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| − | | rowspan="2" width="123"|
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| − | Alarm output port
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| − |
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| − | 1～2
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| − |
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| − | | rowspan="2" width="354"|
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| − | * 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.
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| − | * NO：Normal open alarm output port.
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| − | * C：Alarm output public end.
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| − |
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| − | |-
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| − | | width="90"|
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| − | C1, C2
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| − |
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| − | |-
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| − | | width="90"|
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| − | A
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| − |
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| − | | rowspan="2" width="123"|
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| − | RS-485 communication port
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| − |
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| − | | width="354"|
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| − | RS485_A port. It is the cable A. You can connect to the control devices such as speed dome PTZ.
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| − |
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| − | |-
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| − | | width="90"|
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| − | B
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| − |
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| − | | width="354"|
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| − | RS485_B.It is the cable B. You can connect to the control devices such as speed dome PTZ.
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| − |
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| − | |-
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| − | | width="123"|
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| − | Network port
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| − |
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| − | | width="354"|
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| − | 10M/100M/1000Mbps self-adaptive Ethernet port. Connect to the network cable.
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| − |
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| − | |-
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| − | | width="90"|
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| − | *
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| − | * 0 port
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| − |
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| − | | width="123"|
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| − | | width="354"|
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| − | USB2.0 port. Connect to mouse, USB storage device, USB burner and etc.
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| − |
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| − | |-
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| − | | width="90"|
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| − | RS-232
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| − |
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| − | | width="123"|
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| − | RS-232 debug COM.
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| − |
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| − | | width="354"|
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| − | It is for general COM debug to configure IP address or transfer transparent COM data.
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| − |
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| − | |-
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| − | | width="90"|
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| − | HDMI
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| − |
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| − | | width="123"|
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| − | High Definition Media Interface
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| − |
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| − | | width="354"|
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| − | 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.
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| − |
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| − | |-
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| − | | width="90"|
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| − | VGA
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| − |
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| − | | width="123"|
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| − | VGA video output port
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| − |
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| − | | width="354"|
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| − | VGA video output port. Output analog video signal. It can connect to the monitor to view analog video.
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| − |
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| − | |-
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| − | | width="90"|
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| − | PoE PORTS
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| − |
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| − | | width="123"|
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| − | /
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| − |
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| − | | width="354"|
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| − | Bult-in Switch. Support PoE.
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| − |
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| − | The 4 PoE series product supports total 48V 50W.
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| − |
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| − | The 8 PoE series product supports total 48V 120W. One PoE port max supports 15W.
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| − |
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| − | |}
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