Understanding Data Communications: From Fundamentals to Networking
Data communications can be considered as the tether that binds modern society together. The impetus for this timely book is the importance and dependence upon communications. The author provides a detailed examination of its evolution, technology and future, focusing upon the characteristics, operation and utilization of data communications components that are the building blocks upon which networks are erected. Packed with illustrations, tables and schematic diagrams to fully explain concepts, theory and practice.
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Telegraph and Telephone Operations
Basic Circuit Parameters Measurement Units and Media
Fundamental Data Transmission Concepts
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acoustic couplers adapter analog area network ASCII AT&T bandwidth Bell System binary bisynchronous block capability CCITT channel circuit coaxial cable command communications carriers communications program computer port connected connector control characters control unit cost data communications data link data rate data stream data transmission dialing disk display EBCDIC electronic encoding equipment error facilities frame frequency full-duplex functions half-duplex IBM PC illustrated in Figure installed interchange circuits interface inverse multiplexers ISDN kbps layer leased line mainframe computer method mode modulation multiport modem node normally operation option packet network parity permits personal computer printer protocol PSTN receive data remote resulting signal speed standard station statistical multiplexers subscriber switched Table technique telephone company telephone network telephone number terminal devices Token-Ring transmission medium transmit data Tymnet utilization vendors wire workstation