what is a dual DVI interface connector

Dual DVI is a digital video interface connector with 24 pins arranged in a grid-like rectangular format on the right side. A dual DVI interface connector, also known as a dual link, can be used as a connector on an electronic device such as a personal computer or a high definition television (HDTV). The fllowing is mainly introduce you to what is a dual DVI interface connector.

The DVI connector is replacing the video graphics array VGA connector. The VGA connector is still commonly used in 2011 to connect a display to a desktop PC or as an external display connector for a laptop. A properly named DVI is used for digital video display compared to a VGA that transmits an analog video signal.

The dual DVI pins are responsible for the passage of digital video signals. The dual DVI has six pins more than a single DVI, and the number of pins in a single-link DVI connector is 18. The additional pins on the dual-link DVI connector increase the bandwidth, which is the frequency range required to transmit the video signal.

Therefore, dual-link DVI allows for higher graphics display resolution than single-link DVI. The graphic display resolution represents the number of pixels that can be placed on the display. A single DVI can manage resolutions up to 1,920 x 1,200 pixels. The dual DVI goes beyond a single DVI with a maximum display quality of 2,560 x 1,600 pixels.

Another result of dual-link DVI increasing bandwidth is the ability of the signal to travel farther than a single DVI. The maximum cable length for established DVI cables is approximately 16 feet (5 meters). Dual DVI interface connectors can not only transmit digital video signals, they can also accommodate analog mono, which is the same as the VGA connector. The two types of dual-link connectors are: DVI-integrated (DVI-I) and DVI-Digital (DVI-D), and DVI-I includes digital and analog video pins to accommodate any type of computer monitor. DVI-D is only used for digital visual display.

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