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  2. Model 500 telephone - Wikipedia

    en.wikipedia.org/wiki/Model_500_telephone

    The Western Electric 500-type telephone replaced the 300-type, which had been produced since 1936. The model 500 line was designed by the firm of industrial designer Henry Dreyfuss, the product of several years of research and testing in collaboration with Bell Laboratories and Western Electric. Development started in 1946 with early sketches ...

  3. Number One Electronic Switching System - Wikipedia

    en.wikipedia.org/wiki/Number_One_Electronic...

    View of 1AESS frames. The Number One Electronic Switching System (1ESS) was the first large-scale stored program control (SPC) telephone exchange or electronic switching system in the Bell System. It was manufactured by Western Electric and first placed into service in Succasunna, New Jersey, in May 1965. [1]

  4. Western Electric - Wikipedia

    en.wikipedia.org/wiki/Western_Electric

    Western Electric Co., Inc. was an American electrical engineering and manufacturing company that operated from 1869 to 1996. A subsidiary of the AT&T Corporation for most of its lifespan, Western Electric was the primary manufacturer, supplier, and purchasing agent for all telephone equipment for the Bell System from 1881 until 1984, when the Bell System was dismantled.

  5. Western Electric Manufacturing Company - Wikipedia

    en.wikipedia.org/?title=Western_Electric...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Western_Electric_Manufacturing_Company&oldid=990316291"

  6. 5ESS Switching System - Wikipedia

    en.wikipedia.org/wiki/5ESS_Switching_System

    Like the Western Electric 1ESS/1AESS, it served mostly medium to large wire centers. The standalone VCDX was also capable of serving as a switch for very small wire centers (a CDX- Community dial office) of fewer than ~400 lines. However, for small wire centers, 400-4000 lines, that function was usually served by RSM's, a 5ESS "Remote SM", ORM ...

  7. Number Five Crossbar Switching System - Wikipedia

    en.wikipedia.org/wiki/Number_Five_Crossbar...

    The Number Five Crossbar Switching System (5XB switch) is a telephone switch for telephone exchanges designed by Bell Labs and manufactured by Western Electric starting in 1947. It was used in the Bell System principally as a Class 5 telephone switch in the public switched telephone network (PSTN) until the early 1990s, when it was replaced ...

  8. Cuba's electric grid collapses after power plant failure ...

    www.aol.com/news/cubas-electric-grid-collapses...

    HAVANA (Reuters) -Cuba's national electrical system collapsed early on Wednesday morning after the country's largest power plant failed, the government said, the latest of several such failures as ...

  9. Panel switch - Wikipedia

    en.wikipedia.org/wiki/Panel_switch

    Panel switch district selector frame at the Connections Museum in Seattle. The Panel Machine Switching System is a type of automatic telephone exchange for urban service that was used in the Bell System in the United States for seven decades.

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