10BASE2

thumb|10BASE2 cable showing the BNC connector end thumb|10BASE2 cable with a BNC T-connector thumb|right|10BASE2 cable end terminator thumb|right|EAD outlet thumb|right|Different types of T-connectors, with AAUIs (an AUI variant specific to Apple computers)

10BASE2 (also known as cheapernet, thin Ethernet, thinnet, and thinwire) is a variant of Ethernet that uses thin coaxial cable terminated with BNC connectors to build a local area network. Standardized in 1984, it was the dominant Ethernet standard during the mid to late 1980s.