In addition, colors also identify the specific conductors in a cable and to indicate which wires belong in pairs and how they relate to other pairs in a larger bundle. Color bands are used in plastic insulation for identification. Therefore, these are most commonly used in telephone systems.Ī twisted pair consists of two insulated conductors (usually copper) in a twisted configuration. Its frequency range is suitable for transmitting both data and voice. Unshielded twisted-pair (UTP) cable is the most prevalent type of telecommunication medium in use today. Installation of cables is difficult comparatively.Ĭheaper and does not require much maintenance. STP (Shielded twisted pair) is a twisted pair cable enclosed in foil or mesh shield.Įasily installed as cables are smaller, lighter, and flexible. ![]() UTP (Unshielded twisted pair) is a cable with wires that are twisted together. On the contrary, STP (Shielded twisted pair) is a twisted pair cable confined in foil or mesh shield that guards the cable against electromagnetic interference. The basic difference between UTP and STP is UTP (Unshielded twisted pair) is a cable with wires that are twisted together to reduce noise and crosstalk.
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