No. 10A Remote Switching System: System Overview (+) Control-Complex Architecture and Circuit Design (+) Peripheral Systems Architecture and Circuit Design (+) Host Software (+) Physical Design (+) Remote Terminal Firmware (+) System Maintenance (+) T. - [FIRST DESCRIPTION OF THE NO. 10A RSS (REMOTE SWITCHING SYSTEM).]

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New York, American Telephone and Telegraph Company, 1982 8vo. Original full green cloth. Volume 61, 1982 of "The Bell System Technical Journal". Library stamp to pasted down front free end-paper. Minor bumping to extremities. Beside a very few pencil marks a nice and clean copy. Pp. 391- 657. [Entire issue: Pp. XXXX, (1), 659]. First edition of Bell System's description of the highly influential and innovative first remote switching system. (No. 10A RSS).With the rapid rise in households with a telephone in the 50ies and 60ies, a new and more effective switching system was needed. The Bell System developed the No. 1 ESS (Electronic Switching System) to meet with these demands. The ESS made servicing easier but a more automatic and centralized structure was needed in order to meet the demands of smaller businesses. "With the evolution in electronic technology currently in progress, it was evident that intelligent remotely controlled devices could be brought into central office switching environment. A system which could effectively and economically remote large portions of its network over large distances could rapidly be deployed over major segments of the Bell System network. The era of electronic switching began with the introduction of the No. 1 ESS into commercial service in 1965. [.] In spite of this activity, there remains a large segment of Bell System central offices that until the introduction of the 10A RSS could not justify the introduction of electronic switching technology." (From the introducing article).Even though the No. 10A RSS essentially was built upon the No. 1 ESS it was still a milestone in the history of telephony.

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No. 10A Remote Switching System: System Overview (+) Control-Complex Architecture and Circuit Design (+) Peripheral Systems Architecture and Circuit Design (+) Host Software (+) Physical Design (+) Remote Terminal Firmware (+) System Maintenance (+) T. - [FIRST DESCRIPTION OF THE NO. 10A RSS (REMOTE SWITCHING SYSTEM).]

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