(CSU) A type of interface used to connect a terminal or computer to a digital medium in the same way that a modem is used for connection to an analogue medium.
A CSU is provided by the communication carrier to customers who wish to use their own equipment to retime and regenerate the incoming signals. The customer must supply all of the transmit logic, receive logic and timing recovery in order to use the CSU, whereas a digital service unit DSU performs these functions.
to change from one channel on a television set to another with great or unusual frequency, especially by using a remote control. verb See channel-hop
- Channel tunnel
noun the Anglo-French railway tunnel that runs beneath the English Channel, between Folkestone and Coquelles, near Calais; opened in 1994 Also called Chunnel, Eurotunnel
verb -hops, -hopping, -hopped (intransitive) to change television channels repeatedly using a remote control device verb to travel across the English Channel for a day of shopping, sightseeing, etc. in mainland Europe, esp. France Usage Note UK; Channel-hopped, Channel-hopping, Channel-hopper n verb to use a remote control to cycle through television channels or watch several […]
the bed of a stream, river, or other waterway. Nautical. a navigable route between two bodies of water. the deeper part of a waterway. a wide strait, as between a continent and an island. a course into which something may be directed: He hoped to direct the conversation to a new channel. a route through […]