As you may know, digital video recorder server is used in DVR surveillance systems of large public places such as hospitals, sports facilities, shopping centers, offices and office buildings. These security systems are so great that the machine must be strong enough to handle as many as 64 video channels! Incredible, is not it? Some features of DVR server.
Operating system and compression algorithms
Most servers have the DVR industry and their use of LinuxH.264 video compression technology, real-time video recording and playback quality. Most machines can display video resolutions up to 720 x 480 This means that the surveillance videos are clear and crisp. The number of channels a digital video recorder server can handle varies in its design and use. Machinery used in small shops may accept at least eight channels, while the very large geographical areas can monitor up to 64 channels. But some graphical interfacesmachines can only display eight channels at a time, so you can make your way to scroll down to enter the channel number 64.
Common Storage Server features
No matter what brand or create a digital video recorder server, you should consider this essential feature: the live recording and playback speed of 480 frames per second (fps), digital watermarking, object counting, motion detection, multi-channel CD and DVD burning, and before and post-alarm recording. Thestorage capacity of the server to change the purpose and use. The longer the time of monitoring, the largest disk storage you need.
Cameras, data backup and Internet
As stated above, excellent digital video recorder server will always use the most advanced video compression algorithms clearer video surveillance. If you are shopping for a DVR server, always ask if the machine has hardware H.264 compression. Also, many machines are equipped with a 18x DVD-RW, so you can burn a DVD video monitor. With regard to Internet connections. Most servers, remote desktop functions, and TCP / IP local area network (LAN) or a wireless network (WAN) any Pan-Tilt-Zoom (PTZ) camera is now compatible with all servers DVR. Of course, most machines display multiple protocols. Some can also run the institutions and patterns of your security cameras.
Ventilation
Indeed, a digital video> Server Recorder is a very sensitive machine. Some are kept in temperature-controlled room to ensure that the server does not exceed the threshold temperature. You may wonder why. Well, if the server crashes due to cold or too hot, will the whole DVR surveillance system is completely paralyzed, defeating the purpose. The machine may have its own ventilation system, but people do not know business will always take risks.
You can always have amachines with different features not listed here. But at a price higher than the garden variety DVR server. It 's always good to assess and reassess your safety you should use your money right.
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