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unshielded twisted-pair
UTP is a
four-pair wire medium used in a variety of networks. UTP does not require the
fixed spacing between connections that is necessary with coaxial-type
connections. There are five types of UTP cabling commonly used: Category 1
cabling, Category 2 cabling, Category 3 cabling, Category 4 cabling, and
Category 5 cabling. Compare with shielded twisted-pair (STP). See
also EIA/TIA-586 and twisted pair.
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