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DVI Guide - DVI Connectors and Cables ExplainedWhat is DVI? 
DVI (Digital Visual Interface) is a standard developed by the Digital Display Working Group (DDWG), which allows digital flat panel displays, monitors, projectors
and plasma screens to be connected using a single connector. The DVI interface is able to support both digital and analogue signals over a single cable.
What are the advantages of DVI? Traditional CRT (Cathode Ray Tube) displays use an analogue signal to receive image data from the computers graphics card. For this reason, early
graphics cards needed to convert their native digital signal into analogue in order to support CRT monitors.
LCD monitors are digital display devices, but when they were first introduced they needed to be able to accept and adapt this analogue signal to ensure compatibility with the majority of
available computers. In order for the LCD to accept the computer's analogue output, the signal had to be reconverted to digital.
Since both the computer and the LCD digital monitor accept and transmit digital signals, the process of translating digital to analogue is fundamentally unnecessary. The DVI digital
connection removes this digital â€" analogue â€" digital conversion process, and so removes inaccuracies and information loss due to each conversion process.
DVI, at standard cable lengths (up to 7.5m), suffers none of the problems traditionally associated with analogue interfaces, such as noise, “sparkles”, “ghosting”,
“snow”, poor colour matching and “softness” caused by loss of sharpness. The DVI interface has proven to be extremely versatile; it provides manufacturers with the
flexibility to support digital devices while remaining backwards compatible with analogue devices. DVI Connection Types
DVI-D Single Link
this Digital only connection supports digital only displays with screen resolutions of up to 1920 x 1080. DVI-D Dual Link
similar to single link, this connection uses a second data link and supports much higher resolutions, such as 2048 x 1536 (QXGA). Click here to see our range of DVI-D Dual Link cables.
DVI-A, Analogue this rarely used cable connects only the analogue RGB signals.
DVI-I Single Link
this connection incorporates both the digital and analogue signals in a single cable. This means the cable can send a digital-to-digital or an analogue-to-analogue signal (for use with an analogue display).
DVI-I Dual Link
similar to DVI-I Single Link, but with a second data link for higher resolutions. This connection incorporates both the digital and analogue signals in a single cable. This means the cable can send a digital-to-digital or an analogue-to-analogue signal.
HDMI (High Definition Multimedia Interface)
For use with Plasma and High Definition TVs, projectors and LCD Screens. HDMI cables combine the digital video signal of DVI with multi-channel audio, and control signals. Additionally, the HDMI standard includes a feature called HDCP (High-Bandwidth Digital Content Protection) to protect material from being copied across the digital interface.
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DVI-D Single Link Male |
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DVI-D Dual Link Male |
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DVI-I Single Link Male |
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DVI-I Dual Link Male |
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DVI-D Female |
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DVI-I Female |
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HDMI Type A Male |
HDMI Type A Female |
Maximum distance between computers
With standard DVI cables you can extend the distance for digital monitors with fixed cables and connections, by up to 7.5m. Please note that cable lengths over 7.5m are above the
recommended length laid down by the DDWG. Using longer cables may result in image degradation or loss of picture, but to some extent this also depends on the performance of your
graphics card and monitor. Please also remember that every additional male-female connection you make can lower the quality of the signal transmission. However, for long distance solutions,
we recommend you use our DVI-D Single Link SLD (Super Long Distance) cables. These cables are specially designed for longer transmission lengths.
RF-BLOK Connector |
In keeping with the LINDY tradition of premium quality computer connection technology, all LINDY DVI-D and SLD Cables use a rugged
construction RF-BLOK shielded design that ensures optimum performance from your flat panel monitor. LINDY RF-BLOK cables use a one-piece metal block EMI/RF shield that gives
reduced interference, and increased insulation resistance of up to 25%. The innovative interconnect design means there is no
soldering required in the assembly of the cable. The design and excellent RF shielding also means that there is no requirement for a ferrite core, so the
cable is less stressed and more flexible â€" an advantage when the cable needs to be bent in tight spaces. |
DVI Adapters DVI Adapters allow different monitors and graphics cards to be connected to the DVI interface.
A wide range is available including ADC, DFP, VGA, P&D and HDMI versions. Expert Help Available on any of the following: dvi to hdmi, dvi, dvi cable, dvi to hdmi cable, dvi to
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