![]() This has exposed the manufacturers or installers of such fake cable to legal liabilities. The industry has seen a rise in non-compliant / counterfeit cables, especially of the Copper Clad Aluminum (CCA) variety. The category 5 specification requires conductors to be pure copper. The category and type of cable can be identified by the printing on the jacket. Permanent wiring used in structured cabling is solid-core. The stranded form is more flexible and withstands more bending without breaking. The cable is available in both stranded and solid conductor forms. These documents specify performance characteristics and test requirements for frequencies up to 100 MHz. The specification for category 5 cable was defined in ANSI/ TIA/EIA-568-A, with clarification in TSB-95. The specification for category 5 cable is defined in ISO/IEC 11801, IEC 61156 and EN 50173. Most Category 5 cables are unshielded, relying on the balanced line twisted pair design and differential signaling for noise suppression. This cable is commonly connected using punch-down blocks and modular connectors. Cat 5 is also used to carry other signals such as telephone and video. ![]() The cable standard provides performance of up to 100 MHz and is suitable for most varieties of Ethernet over twisted pair up to 2.5GBASE-T but more commonly runs at 1000BASE-T (Gigabit Ethernet) speeds. Since 2001, the variant commonly in use is the Category 5e specification ( Cat 5e). ![]() Partially stripped cable showing the four twisted pairs (eight wires)Ĭategory 5 cable ( Cat 5) is a twisted pair cable for computer networks. Unshielded twisted pair communications cable ![]()
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