CAT2

CAT2 or Category 2 is a description of network cabling that consists of four UTP wires with a data rate of 4Mbps and was used in token ring networks, ARCNET, and is still used in some phone systems. However, today this wiring is no longer used.

Also see: Cable, CAT1, CAT3, CAT4, CAT5, CAT5e, CAT6, CAT7, Network definitions