Understanding Data Communications: From Fundamentals to NetworkingData 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. |
Contents
Telegraph and Telephone Operations | 11 |
Basic Circuit Parameters Measurement Units and Media | 29 |
Fundamental Data Transmission Concepts | 49 |
Copyright | |
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Common terms and phrases
acoustic coupler analog ASCII AT&T bandwidth Bell System binary bisynchronous block bps modem capability CCITT channel circuit coaxial cable command communications carriers communications program computer port connected connector control unit cost data communications data link data rate data service units data stream data transmission dialing disk display electronic encoding equipment error facilities fiber frame frequency full-duplex functions half-duplex IBM PC illustrated in Figure installed interchange circuits interface inverse multiplexers ISDN kbps layer leased line local area network mainframe computer mode Modem Modem modulation multiport modem node normally operation optical option packet network parity permits personal computer Polled printer protocol PSTN receive data remote resulting satellite signal speed standard station switched Table technique telephone company telephone network terminal devices Token-Ring transmission medium transmit data Tymnet utilization vendors wire workstation