Publisher's Synopsis
This book has been designed to explain the operational characteristics and utilization of a series of specialized communications devices which can be employed in the design, modification and optimization of a data communications network. It provides the reader with an insight into how communication devices operate, where they are employed in networks and the cost and performance perameters which should be considered before selecting such equipment.;This edition has been revised to focus particular attention on communications concepts and includes an introductory section which explains the fundamental concepts common to all phases of data communications.
