Data Over Cable Service Interface Specification is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television system. It is
A DOCSIS 3.0 cable modem
A cable modem termination system (CMTS)
Cable television is a system for delivering broadcast programming to viewers by radio frequency signals transmitted through coaxial cable and through fibre-optic cable. Cable television is contrasted
DOCSIS
…Interface Specification (DOCSIS) is an international telecommunications standard that permits the addition of high-bandwidth data transfer to an existing cable television (CATV) system. It is used by many cable television operators to provide cable Internet access over their existing hybrid fiber-coaxial (HFC) infrastructure…
A sign warning about a buried CATV cable in the area
A coaxial cable used to carry cable television to the subscribers' premises
A set-top box is an electronic device that receives the cable signal into the television set. Presented unit is a Cisco RNG200N for QAM digital cable television system used in North America.
A cable television distribution box (left) in the basement of a building in Germany (Kabel BW network, now Vodafone), with a splitter (right) which supplies the signal to separate cables which go to different rooms