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| | Categories of twisted pair cabling systems - a Whatis.com definition - see also: CAT 1, CAT 2, CAT 3, CAT 4, CAT 7, CAT ... (Site not responding. Last check: 2007-11-05) |
 | | ANSI/EIA (American National Standards Institute/Electronic Industries Association) Standard 568 is one of several standards that specify "categories" (the singular is commonly referred to as "CAT") of twisted pair cabling systems (wires, junctions, and connectors) in terms of the data rates that they can sustain effectively. |
 | | While longer connections for Gigabit Ethernet use optical fiber, the goal is to leverage the CAT 5 and CAT 5E twisted-pair wiring most organizations already have in place for connections out to the desktop. |
 | | CAT 3 cabling is near-end crosstalk-certified for only a 16 MHz signal, while CAT 5 cable must pass a 100 MHz test. |
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