Typically, if it’s a wired connection, a camera connects to the NVR via an Ethernet cable. Network connection: IP security cameras connect to the NVR using wired or wireless connections. For example, an 8-channel NVR can support eight cameras. NVRs contain several Ethernet ports, so that you can hook up multiple cameras. However, all NVRs perform the same function: they receive video footage through a network data connection and store footage for review later. Some NVRs are devices that contain hard drives others are cloud-based, leveraging cloud storage and technology. NVRs: A key part of an NVR security camera system is the NVR itself, which is not a camera. PoE IP cameras usually come in two styles: bullet cameras and dome cameras. Ethernet cables do double-duty, powering the camera and transferring data to the NVR, which makes installation easier and more flexible. IP cameras that use an Ethernet connection are called Power over Ethernet (PoE) cameras. NVRs are generally used in combination with IP cameras. Here’s how they work together:Ĭameras: There are many different types of security cameras on the market-including analog cameras (generally considered outdated technology due to low resolution) and wire-free WiFi cameras (usually used for home security camera systems rather than business purposes). NVR camera systems are made up of three parts: cameras, a network, and the NVR. They usually are operating 24/7 and can be customized to alert in response to certain activity during specific times of day. Indoor and outdoor cameras can be positioned in various places around buildings and properties. NVRs are paired with digital internet protocol (IP) cameras to create a video surveillance system.Īn NVR camera system can be as small as one camera or span across thousands of cameras in multiple locations globally. A network video recorder (NVR) is a computer system that records video footage and stores it on a hard disk, a mass storage device, or cloud storage.
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