Gefen DVI CAT-5 Extender La Plata MD
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Gefen DVI CAT-5 Extender
Source: PRO AV Magazine
Publication date: February 1, 2005
By Tim Siglin
Product: Gefen DVI CAT-5 Extender
Company website: www.gefen.com
Plus: Compact; powered at transmitter; maintains pristine image quality
Minus: Requires two Cat5 cables
The advent of digital connectors on displays, projectors, CPUs, and DVD players has enabled integrators to make connections between these devices without converting the signal to analog and then back to digital. This multiple-signal process occurs when a CPU is connected to a plasma, LCD, or projector. The digital content is converted to an analog connector (VGA or HD-15 connector) and then connected to a similar analog connector on the display device, which then converts the information back into a digital signal for display. This process ultimately lowers the quality of the signal, even if it's only traveling 6 to 10 feet.
To address this problem, plasma, LCD, and projector manufacturers have integrated DVI and newer HDMI digital connectors into their display devices to preserve the stunning image quality that results from a direct digital connection. This enhanced image quality is apparent even on older plasmas that lack acceptable analog-to-digital converters (ADCs), because the digital content is never converted to analog.
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