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1 single-cord switchboard
nTELECOM conmutador manual de monocordio mEnglish-Spanish technical dictionary > single-cord switchboard
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2 single
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3 double
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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
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Distribution board — A fairly standard American circuit breaker panel manufactured by General Electric and using interchangeable circuit breakers A distribution board (or panelboard) is a component of an electricity supply system which divides an electrical power… … 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
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