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Video distribution systems (VDS) are most commonly used for security and entertainment.When integrated with video cameras and monitors, they can provide secure premises monitoring 24 hours a day, 7 days a week. They can also provide for the distribution of audio/video presentations for education or entertainment purposes in educational, commercial, and industrial environments.

There are several different components used within a video distribution system.The components used in coaxial and UTP video distribution systems incorporate video cameras, display units, a recording device, a controller, and a power supply.The recording device is a necessary component to store data possibly needed for use in finding and prosecuting unwanted intruders and thieves.