switched telex

switched telex
коммутируемая сеть связи

Англо-русский словарь по компьютерной безопасности. . 2011.

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  • Packet switched network — A Packet Switched Network, or PSN, refers to the packet switched networks that existed before the Internet. The history of such networks can be divided into three eras:early networks before the introduction of X.25 and OSI,the X.25 era when many… …   Wikipedia

  • Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites …   Wikipedia

  • public switched network —    (PSN)    Any switching system that provides circuit switching to many customers. In the U.S., there are four: Telex, TWX, telephone, and    Broadband Exchange …   IT glossary of terms, acronyms and abbreviations

  • Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… …   Wikipedia

  • Western Union — For other uses, see Western Union (disambiguation). The Western Union Company Type Public Traded as NYSE:  …   Wikipedia

  • Inmarsat — Infobox Company company name = Inmarsat plc company company type = Public (lse|ISAT) foundation = 1979 location = London, United Kingdom flag|UK key people = Andrew Sukawaty (Chairman and CEO) revenue = profit $576.5 million USD (2007)cite web… …   Wikipedia

  • History of the Internet — Main article: Internet The history of the Internet starts in the 1950s and 1960s with the development of computers. This began with point to point communication between mainframe computers and terminals, expanded to point to point connections… …   Wikipedia

  • Telephone numbering plan — Area Code redirects here. For the song by Ludacris, see Area Codes (song). A telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a… …   Wikipedia

  • Roswell UFO Incident — The Roswell Incident involved the recovery of materials near Roswell, New Mexico, USA, on July 7, 1947, which has become the subject of intense speculation, rumor and questioning. There are widely divergent views on what actually happened and… …   Wikipedia

  • Packet Switch Stream — In the UK, PSS, was an X.25 based packet switched network, provided by the British Post Office Telecommunications and then British Telecom from 1980, onwards. After a period of pre operational testing with customers (mainly UK Universities and… …   Wikipedia

  • Teleprinter — A teleprinter (teletypewriter, Teletype or TTY for TeleTYpe/TeleTYpewriter) is a now largely obsolete electro mechanical typewriter which can be used to communicate typed messages from point to point and point to multipoint over a variety of… …   Wikipedia


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