DVI cable does not allow the connector to connect the cable into any incorrect position. DVI cable is derived from DVI and to know about DVI cable, it is better to have some idea about DVI.
The Digital Visual Interface or DVI is basically a video interface standard that is designed to offer very high visual quality on any types of digital display devices like that of flat panel LCD computer displays or digital projectors. The DVI interface mainly uses a digital protocol which allows the desired illumination of pixels to be transmitted as binary data. This display is driven at its native resolution, and it will read each number and apply that brightness to the pixel for perfection. In this process, every pixel in the output buffer of the source device communicates directly to one pixel in the display device. Similarly with an analog signal the appearance of each pixel is affected by its adjacent pixels and also by its electrical noise as well as other forms of analog distortion.
The maximum length of DVI cables is primarily depends on bandwidth requirements. Generally, the length of the DVI cables is beginning from 4.5 m (15 ft) and it will work for displays at a resolution of 1920 x 1200. However, when the Cable length is 15 m or 50 ft, it can be used with displays at resolutions of up to 1280 x 1024. However for longer distance it is recommended to use DVI booster instead of DVI cable.
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