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==Connector== {{Main article|VGA connector}} [[File:Vga-cable.jpg|thumb|A standard [[VGA connector]]]] [[File:BNC connectors.jpg|thumb|VGA [[BNC connector|BNC connectors]]]] The standard [[VGA connector|VGA monitor interface]] is a 15-pin [[D-subminiature|D-subminiature connector]] in the "E" shell, variously referred to as "DE-15", "HD-15" and erroneously "DB-15(HD)". All VGA connectors carry [[Analog television|analog]] [[RGBHV]] (red, green, blue, [[horizontal sync]], [[vertical sync]]) video signals. Modern connectors also include [[Video Electronics Standards Association|VESA]] [[Display Data Channel|DDC]] pins, for identifying attached display devices. Because VGA uses low-voltage analog signals, signal degradation becomes a factor with low-quality or overly long cables. Solutions include shielded cables, cables that include a separate internal [[coaxial cable]] for each color signal, and "broken out" cables utilizing a separate coaxial cable with a [[BNC connector]] for each color signal. BNC breakout cables typically use five connectors, one each for Red, Green, Blue, Horizontal Sync, and Vertical Sync, and do not include the other signal lines of the VGA interface. With BNC, the coaxial wires are fully shielded end-to-end and through the interconnect so that virtually no crosstalk and very little external interference can occur. The use of BNC RGB video cables predates VGA in other markets and industries.
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