Physical Level Interfaces and Protocols

This new industry, press book explains the concepts and ideas associated with physical level protocols and provides a summary of industry's most widely used physical level interface standards. This second edition includes new information that updates the material changed since original publication. The revised text features a large portion devoted to the ITU-T V series recommendations, digital interfaces, fractional TI and SONET, and the digital data system. The book's primary focus is on the physical interfaces between a user device, such as a computer or a terminal and a communication line interface device, like a modem, data service unit, or multiplexer. In addition, the book discusses updated information on private-wired systems, serial communications, and new related EIA standards.Black, Ulysses D. is the author of 'Physical Level Interfaces and Protocols', published 1995 under ISBN 9780818656972 and ISBN 0818656972.