unshielded twisted pair (UTP)

Definition

Most common type of transmission media for voice and data communications, connecting telephone company subscribers to the telephone central office (exchange) and computers in a local area network (LAN) such as Ethernet and Token Ring. It consists of two 19 to 26 American wire gauge (AWG) thickness copper wires encased in color-coded plastic insulation, twisted around each other to minimize electromagnetic and radio-frequency interference induced from one wire to the other. TP wires are categorized according to their thickness (thicker the better) such as CAT-3 for voice, CAT-4 for voice and 10-base-T, and CAT-5 for 100-base-T. Also called twisted pair (TP). See also shielded twisted pair.

单词	unshielded twisted pair (UTP)
释义	unshielded twisted pair (UTP) Definition Most common type of transmission media for voice and data communications, connecting telephone company subscribers to the telephone central office (exchange) and computers in a local area network (LAN) such as Ethernet and Token Ring. It consists of two 19 to 26 American wire gauge (AWG) thickness copper wires encased in color-coded plastic insulation, twisted around each other to minimize electromagnetic and radio-frequency interference induced from one wire to the other. TP wires are categorized according to their thickness (thicker the better) such as CAT-3 for voice, CAT-4 for voice and 10-base-T, and CAT-5 for 100-base-T. Also called twisted pair (TP). See also shielded twisted pair.
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