tandem switch
Смотреть что такое "tandem switch" в других словарях:
Tandem (disambiguation) — Tandem means an arrangement one behind another as opposed to side by side.The term may also have the following specialized meanings*Tandem, French song from the Vanessa Paradis Variations sur le même t aime. *Tandem signaling *Tandem skydiving… … Wikipedia
Tandem — is a Latin adverb meaning at length or finally . In English, the term was originally used for two or more draft horses harnessed one behind another as opposed to side by side. By extension the term now refers to any team (of machines, animals or… … Wikipedia
Tandem Computers — A Tandem Computers promotional mug Tandem Computers, Inc. was the dominant manufacturer of fault tolerant computer systems for ATM networks, banks, stock exchanges, telephone switching centers, and other similar commercial transaction processing… … Wikipedia
tandem switching — Use of an intermediate switch to interconnect circuits from the switch of one CO to the switch of a second CO in the same exchange … IT glossary of terms, acronyms and abbreviations
Class 4 telephone switch — A Class 4, or Tandem, telephone switch is a U.S. telephone company central office telephone exchange used to interconnect local exchange carrier offices for long distance communications in the Public Switched Telephone Network. A Class 4 switch… … Wikipedia
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
Crossbar switch — In electronics, a crossbar switch (also known as cross point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix manner. Originally the term was used literally, for a matrix switch… … Wikipedia
Class 5 telephone switch — A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company s central office, directly serving subscribers. Class 5 switch services include basic dial tone … 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
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
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
