Shielded twisted-pair (STP)

A generic term for “telephone” wire used to carry data such as 10BaseT and 100BaseT. Various categories (qualities) of cable exist that are certified for different kinds of networking technologies. A twisted-pair wire that does not include additional EMI protection. Most twisted-pair wiring is UTP.
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A communication medium that consists of pairs of wires that are twisted together and bound into cable.
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A cable with a center core of copper wire surrounded by a layer of insulation and then by a conductive braided shielding and finally encased in an insulation sheath. Coaxial cable is fairly resistant to EMI, has a low cost, and is easy to install.
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A type of network cable that consists of four pairs of wires that are twisted around each other and then sheathed in a PVC insulator. Also called twisted-pair.
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Highdatarate Digital Subscriber lLne. One of four DSL technologies. HDSL delivers 1. 544 Mbps of bandwidth each way over two copper twisted pairs. Because HDSL provides T1 speed, telephone companies have been using HDSL to provision local access to T1 services whenever possible. The operating range of HDSL is limited to 12,000 feet (3658. 5 meters), so signal repeaters are installed to extend the service. HDSL requires two twisted pairs, so it is deployed primarily for PBX network connections, digital loop carrier systems, interexchange POPs, Internet servers, and private data networks. Compare with ADSL, SDSL, and VDSL.
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