Category 2 Cabling


Category 2 cabling, or Cat2, is the second-lowest grade of unshielded twisted-pair (UTP) cabling. Category 2 cabling was designed to support digital voice and data communication.

Category 2 cable - Cat2
Category 2 cable

Category 2 cabling was capable of data transmissions up to 4 Mbps. It was used primarily in the installation of premise wiring for legacy Token Ring networks from IBM.



The electrical characteristics of category 2 cabling make it unsuitable for most networking purposes today, thus it is no longer installed as premise wiring.

Official TIA/EIA-568 standards have only been established for cables of Category 3 ratings or above. Though not an official category standard established by TIA/EIA, Category 2 has become the common name given to Level 2 cables originally defined by Anixter International, the distributor.

Anixter Level 2 cable was frequently used on ARCnet and 4 Mbit/s token ring networks, it is also used in telephone networks but it is no longer commonly used.




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