DVD Recorders

As you may know, a digital video recorder server is used in DVR surveillance systems in large public places such as hospitals, stadiums, shopping malls, offices and office buildings. These security systems are so large that a computer must be strong enough to complete up to 64 video channels! Incredible, is not it? Here are some features of the DVR server.

Operation and the compression algorithms

Most servers are industry DVR Linux and are using H.264compression technology to provide real-time video recording and playback. Most machines are not able to view the video resolution up to 720 x 480 display. This means that your video surveillance in a clear and clean. The number of channels, a digital video recorder server can handle varies in its design and use. Machinery used in smaller shops may accept less than 8 channels, while those who control large areas up to 64 channels. But the graphical interface of a number of machines can onlyShow 8 channels at once, so you may need to make your way to get to number 64 channel buttons.

Common DVR Server Features

No matter what speed or brand to create a server digital video recorder, look for these key features: the live recording and playback of 480 frames per second (fps), digital watermarking, object counting, motion, multi – channel, CD and DVD burning, and pre and post alarm recording. The storage capacity of servervaries with the purpose and use. The longer the monitoring period, the devices larger disk storage may be necessary.

Cameras, data backup and Internet Connections

As mentioned earlier, a good digital video recorder server is always the most advanced video compression algorithms for video surveillance lighter use. If you are looking for a Server DVR, always ask if H.264 hardware compression machine. In addition, many machines are equipped with 18X DVD-RW, socan fire surveillance video to DVD. In terms of Internet connectivity, most servers, remote desktop functionality and TCP / IP local area network (LAN) or wireless network (WAN). Any pan-tilt-zoom (PTZ) camera is now compatible with all servers DVR. Of course, most of the machines multi-protocol display. Some models may also have preset Run for your security cameras.

Ventilation

In fact, a digital video recorder server issensitive equipment. Some are also required to climate controlled rooms to ensure that the temperature of the server does not exceed the threshold. You ask. Well, it would be if the server crashes due to too much cold or heat, all DVR surveillance system is completely paralyzed, defeating its purpose. The machine can have its own air system, but the professionals always tell you not to take risks.

You can always get a second car with features thatnot mentioned here. But it is a higher price tag of your garden variety DVR server. It 'always good to assess your security needs, so you can spend your money right.

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