The original cabling standard for Ethernet that uses coaxial cables. The name derives from the fact that the maximum data transfer speed is 10 Mbps, it uses baseband transmission, and the maximum length of cables is 500 meters. 10Base5 is also called Thick Ethernet, ThickWire, and ThickNet.
10BASE-5
Meaning of 10BASE-5 in English
DAX English glossary of key connectivity terms. Английский глоссарий основных терминов по коммуникациям DAX. 2012