SMDS Switched Multimegabit Data Service. An emerging high-speed networking technology to be offered by the telephone companies in the U.S. SMI Structure of Management Information. The rules used to define the objects that can be accesses via a network management protocol. An optional interface used to synchronize the UCS time with the studio time. Snow A form of noise picked up by a television receiver caused by a weak signal.
Snow is characterized by alternate dark and light dots appearing randomly on the picture tube.
SMT Station Management. The part of FDDI that manages stations on a ring. SMTP Simple Mail Transfer Protocol. The Internet electronic mail protocol. Defined in RFC 821, with associated message format descriptions in RFC 822.