Digital Data CommunicationsA non-mathematical introduction to data communications aiming to provide a solid knowledge of how modern data communications, technology operates, a grounding in how it has evolved and where this evolution is likely to take it in the future. It includes a chapter on network topologies, as well as coverage of the telephone system, modems and modem standards and local area networks. |
Common terms and phrases
ACIA ACIA's amplitude analog ASCII asynchronous communications bandwidth baud binary BISYNC byte of data cable called carrier Causes the modem CCITT Centronics channel chapter character character-oriented protocols clock signal communications link communications system connected control register converts Data bit data communications data compression data line data word DCE to DTE demodulator devices diagram dial DTE to DCE EBCDIC electronic equipment error Ethernet FDDI Figure frame frequency full-duplex half-duplex HDLC IEEE input intelligence signal interrupt interrupt request ISDN layer local loop logic levels loop Mb/s mode modem modem standards node office switch operate OSI Model output parity bit phase point-to-point poll printer protocol pulse modulation receiving terminal routers sampling secondary sent serial data shift register status register stop bit synchronous telephone circuit telephone line telset Token Ring topology transfer transmission types voltage