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automatic switching panel

См. также в других словарях:

  • Panel switch — The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before… …   Wikipedia

  • Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …   Wikipedia

  • Number One Crossbar Switching System — The Number One Crossbar Switching System, or 1XB switch, was the primary urban local telephone exchange design used by the Bell System in the mid 20th century. Its switch fabric topology was based on the earlier urban panel switch system, which,… …   Wikipedia

  • Marker (telecommunications) — For other uses, see Marker (disambiguation). A marker is a type of special purpose control system that was used in electromechanical telephone central office switches. Central office switches are the large devices that telephone companies use to… …   Wikipedia

  • MGM-31 Pershing — Pershing was a family of solid fueled two stage medium range ballistic missiles designed and built by Martin Marietta to replace the Redstone missile as the United States Army s primary theater level weapon. The Pershing systems lasted over 30… …   Wikipedia

  • Telephone exchange names — During the early years of telephone service, communities that required more than 10,000 telephone numbers, whether dial service was available or not, utilized exchange names to distinguish identical numerics for different customers.When dial… …   Wikipedia

  • Nokia 6030 — The Nokia 6030 is a GSM dual band handset operating on frequencies 900 and 1800 MHz (850 and 1900 MHz in the North American model), with automatic switching between frequencies. It is small in size with dimensions of 104 x 44 x 18 mm and weighs… …   Wikipedia

  • ASAP — • As Soon As Possible (So schnell wie möglich) • Army Scientific Advisory Panel ( > IEEE Standard Dictionary ) • Australian Science Archive Project (Univ. Melbourne, http://www.asap.unimelb.edu.au/) • Automatic Switching And Processing •… …   Acronyms

  • ASAP — [1] As Soon As Possible (So schnell wie möglich) [2] Army Scientific Advisory Panel ( > IEEE Standard Dictionary ) [3] Australian Science Archive Project (Univ. Melbourne, http://www.asap.unimelb.edu.au/) [4] Automatic Switching And Processing …   Acronyms von A bis Z

  • Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

  • Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …   Wikipedia

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