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Basic Telephone Switching Systems
From back cover:
A much needed comprehensive guide to telephony switching, this book provides a complete understanding of the principles of transmission, signalling, information storage, and path selection methods. It describes the development of switching techniques from the early step-by-step type, through the common electromechanical group, to today's sophisticated electronic system. Special attention is given to the most modern system being installed, the new ESS type. Well illustrated with diagrams and photographs, involving a minimum of mathematics, the book permits the reader to follow the progress of a call through each type of switching system used in central offices. Each chapter concludes with a series of ten questions and problems. This concise, practical volume will prove highly useful to trainees, as well as experienced technicians and engineers.
By Librarian:
This books covers the analog switching world from the first mechanical step-by-step selectors of Automatic Electric to the #1ESS (Electronic Switching System) of Bell Laboratories (#1EAX (Electronic Automatic Exchange) of Automatic Electric). It does not cover the last generation of analog reed switching (2EAX) and of course none of the digital era (4ESS and 3EAX toll switches and the 5ESS and 5EAX Class 5 switches).
A much needed comprehensive guide to telephony switching, this book provides a complete understanding of the principles of transmission, signalling, information storage, and path selection methods. It describes the development of switching techniques from the early step-by-step type, through the common electromechanical group, to today's sophisticated electronic system. Special attention is given to the most modern system being installed, the new ESS type. Well illustrated with diagrams and photographs, involving a minimum of mathematics, the book permits the reader to follow the progress of a call through each type of switching system used in central offices. Each chapter concludes with a series of ten questions and problems. This concise, practical volume will prove highly useful to trainees, as well as experienced technicians and engineers.
By Librarian:
This books covers the analog switching world from the first mechanical step-by-step selectors of Automatic Electric to the #1ESS (Electronic Switching System) of Bell Laboratories (#1EAX (Electronic Automatic Exchange) of Automatic Electric). It does not cover the last generation of analog reed switching (2EAX) and of course none of the digital era (4ESS and 3EAX toll switches and the 5ESS and 5EAX Class 5 switches).
166 pages, Paperback
Published January 1, 1969
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