How to Install PoE IP CCTV Cameras with NVR Security System

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  • PoE IP CCTV Camera Installation Wiring with NVR – Step by Step
  • In the latest technology era, AI security and surveillance is taking the major role in protection systems of sensitive areas with appropriate information than human being. The security systems also improved by designers e.g. DVR (Digital Video Recorder) system  was the best system for local home user with less amount of Closed Circuit Television (CCTV) due to its price range as compared to NVR (Network Video Recorder) system because, they need extra switches and low maintenance. Nowadays, NVR comes up with built-in switch hub and power supply and replacing the DVR system. As the NVR is network base system, it can be wired or wireless system with high range and can be used with multiple channels. There are some other differences between DVR and NVR but we will not go in details as we have already described them before and will focus on the NVR Security camera installation wiring.





  • Things You Need

  • ·         NVR
  • ·         PoE IP CCTV Camera (Bullet, Dome or PTZ Cameras)
  • ·         Monitor / LCD (PC, Laptop etc.)
  • ·         Power Supply, adopter, power splitter and other related cables and connectors such as VGA cables, RJ45 etc.
  • Optional:
  • ·         PTZ Camera
  • ·         USB / Mouse
  • ·         Speaker / Microphone
  • ·         Router (To view and control the camera by smartphones through Wi-Fi)
  • Before we go in details, let’s know that what is the NVR and how it works?

  • What is NVR?
  • DVR stands for “Network Video Recorder”. As the name suggests, it based on networking as the input signals are from a network as compared to DVR where the input signals based on direct wire connection. in NVR system, the video data encode and process at camera in digital format and send it to the NVR recorder to store it in a hard drive inside the NVR which can be view later by monitor or remotely if it is connected to Ethernet router. 
  • Keep in mind that only IP camera (Internet Protocol) can be used with NVR system as compared to DVR where analog cameras are used. Moreover, NVR is a wire or wireless system where DVR doesn’t support wireless system. Also, both PoE (Power over Internet) and Non-PoE cameras can be connected to the NVR system based on its design. In some NVRs, there is no built-in PoE system and you will have to buy an additional PoE and switch.
  •                                                   Click image to enlarge

  • Optional Wiring Connection of DVR Security & CCTV Camera
  • Follow the step below for option wiring of NVR and IP CCTV Cameras.
  • ·         If you need to connect an external pickup / microphone or speaker to the audio camera, connect the RCA connector to the Audio Input as shown in fig.
  • ·         For audio output, connect the RCA connector of Speaker to the audio output slot in the NVR.
  • ·         If you want to install an alarm or Pan, Tilt and Zoom (PTZ) camera to monitor the different angles views, then connect the RS485 cable to the RS232/RS485 Slot of NVR. Additionally, connect audio, video and power cables to the camera as well as NVR slots as shown in wiring diagram.
  • ·         USB and mouse can be connected to the USB port on NVR.
  • ·         To manage and view the camera recording remotely on smartphones far away from the camera location, You will have to connect the Ethernet router through RJ45 cables which helps to connect to the NVR system via Wi-Fi. Simply connect the cables to the router and NVR in RJ45 slots.
  • It should be noted that in very simple and basic IP camera installation with NVR, monitor and internet connection are not required. In the initial stage, you can use the monitor to check the live recording of camera if they are working properly. If so, you can disconnect the monitor while the camera recording is saved in the Hard drive in the DVR which can be check later when needed. If you want to manage the camera live recording remotely, you will have to connect a router to the NVR with active internet connection.

  • Note: Please refer to the manufacturer user manual of IP Cameras and NVR before wiring and installation as the designs may be differ than other used in the above diagram. For more assistance, contact the NVR and camera manufacturer or call a licensed electrician for proper installation.
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