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What is a Video Server?


The field of video surveillance is growing every day. New advances in surveillance technology has made video surveillance easier to use and more powerful. One of the key technologies in video surveillance is the video server, but just what is a video server? Who needs a video server? What makes a video server so useful?

What is a Video Server?

A video server is a specialized form of web server that converts analog CCTV (Closed Circuit Television) video signal into digital signals that can be viewed either through a small area network or the internet. It is a simple way to turn an analog video surveillance system into a sophisticated network surveillance system. Some models also allow for audio signal conversion to give you both audio and video.

A typical video server will have one to four in ports with a single port for each video camera in the surveillance system. Connections are made via coaxial cable. Output signals travel over Ethernet cables and can be sent either to computers or Network Video Recorders (NVR’s).

In addition, most video servers will also contain at least one analog out port, allowing you to not only record in digital formats but in analog as well with a VCR or other analog recording device.

Who Needs a Video Server?

Anyone who has a pre-existing analog video surveillance system and is looking to upgrade to a network surveillance system will find a video server very useful. Instead of buying all new digital equipment (including cameras, cables, etc.), you can simply plug in your existing cameras into a single video server and get instant network functionality.

Video servers are also an excellent choice for those just entering the video surveillance world but are looking for the special features of analog cameras with the functionality of a network system. Not all IP network cameras have advanced to the point of traditional video systems in terms of miniaturization and other features: a video server gives you the best of both systems.

What Makes a Video Server so Useful?

Video servers allow for the power and features of analog cameras while giving them complete network functionality. Digital recording of video makes for easy archiving of video feeds. Viewing signals over the Internet allows you to few your surveillance system no matter where you are, even over your cell phone!

Technology is also constantly improving with video servers. Enhanced motion detection and tracking is better than ever before. Many units also have object recognition, allowing you to know if an object has been moved, replaced or removed. Most video servers also include an alarm notification service, able to send FTP, e-mail or other messages via the network directly to you should something out of the ordinary occur.

Conclusion

Whether you are seeking to upgrade your current video surveillance system or are looking to purchase a new system that includes both analog and digital functionality, a video server may very well be the option for you. It is the perfect solution to provide the ease and flexibility of CCTV cameras with the power and adaptability of a network system. With the technology continuing to develop, you know that video servers will only continue to get better and more powerful

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