The cable industry joint venture that created the Data-Over-Cable Service Interface Specification (DOCSIS). MCNS was formed by Comcast Cable Communications, Cox Communications, Time Warner Cable and Tele-Communications (which was later acquired by AT&T). See DOCSIS.
Multimedia Cable Networks Standards/System. A consortium of cable providers, contributing to the Data Over Cable Service Interface Specifications (DOCSIS). See also DOCSIS. http://www.cablemodem.com