DVR/NVR Rear Panel Connections

This document outlines the various ports and connections found on the rear panel of a Digital Video Recorder (DVR) or Network Video Recorder (NVR).

Port Descriptions:

1 VIDEO IN: Multiple BNC connectors for video signal input.
2 AUDIO IN, RCA Connector: RCA connectors for audio signal input.
3 VGA Port: A VGA port for video output to a monitor.
4 Ground: A grounding terminal for electrical safety.
5 Power Input: A connector for the power supply.
6 RS-485 Port: An RS-485 port, typically used for PTZ (Pan-Tilt-Zoom) camera control.
7 Network Port: An Ethernet port for network connectivity.
8 USB Port: USB ports for connecting external devices like storage or a mouse.
9 HDMI Port: An HDMI port for high-definition video output.
10 AUDIO OUT, RCA Connector: RCA connectors for audio signal output.

Diagram Key:

The rear panel features multiple numbered ports, corresponding to the descriptions above:

1-16: Indicate multiple VIDEO IN ports.
2: AUDIO IN, RCA Connector.
3: VGA Port.
4: Ground terminal.
5: Power Input connector.
6: RS-485 Port.
7: Network Port (Ethernet).
8: USB Port.
9: HDMI Port.
10: AUDIO OUT, RCA Connector.

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DVR/NVR Rear Panel Connections

Port Descriptions:

Diagram Key:

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