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Switchboard   Listen
noun
switchboard  n.  
1.
An elctrical apparatus consisting predominantly of a panel on which are switches or other means of completing electrical circuits; used especially for the devices used in telephone exchanges. See sense 2.
2.
(Telephone) An apparatus containing switches by means of which a connection may be made from an incoming telephone line to any one of numerous outgoing lines. The switches may be either mechanical or electronic, and the switching action may be automatic, controlled by signals in the incoming call, or manual, controlled by a switchboard operator. In older style manual switchboards, the circuits were connected by the use of patchcords, inserted into plugs.
Synonyms: patchboard, plugboard, telephone exchange.






Collaborative International Dictionary of English 0.48








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"Switchboard" Quotes from Famous Books



... submarine mines and searchlight stations, etc., I found to be in the worst condition. In pottering around, I visited many of the switchboard stations controlling the submarine mine fields. Everywhere the eye met evidences of defective work—rusty contacts, open insulations and exposed connections. There were carelessly exposed buoys betraying to the naked eye supposedly invisible submarine ...
— The Secrets of the German War Office • Dr. Armgaard Karl Graves

... the Sagamore telephone exchange, has been awarded a Theodore N. Vail medal for his services on the occasion of a night fire in the building where the exchange is located, March 27, 1921, when he made his way through the smoke to the switchboard and gave the alarm first to the Keith Car Works and next to the local fire chief. After that he was overcome by the smoke, and the staircase was on fire when he was revived. He got back into the operating room after that and remained on ...
— Cape Cod and All the Pilgrim Land, June 1922, Volume 6, Number 4 • Various

... tell her to just try, that there was no 'again' about it, but I didn't. I tried to dig through the murk to her switchboard but I couldn't dig a foot through this area. I waited impatiently until she re-made the connections at her switchboard and I heard the burring of the phone as the other end rang. Then the same mad-bull-rage voice delivered ...
— Highways in Hiding • George Oliver Smith

... penalizes India in global markets; slow improvement is taking place with the recent admission of private and private-public investors, but demand for communication services is also growing rapidly domestic: local service is provided mostly by open wire and obsolete electromechanical and manual switchboard systems; within the last 10 years a substantial amount of digital switch gear has been introduced for local service; long-distance traffic is carried mostly by open wire, coaxial cable, and low-capacity microwave ...
— The 1998 CIA World Factbook • United States. Central Intelligence Agency.

... the big brain served as a master switchboard for the thoughts and emotions of humanity. Now the central mind was showing signs of decay ... ...
— Cerebrum • Albert Teichner

... descended, cupping him completely. Through them he saw Ku Sui go to a switchboard adjoining and study the indicators, finally placing one hand on a black-knobbed switch and with the other drawing from some recess a little cone, trailing a wire, like a microphone. A breathless silence hung over the laboratory. The white-clad ...
— The Affair of the Brains • Anthony Gilmore

... service is provided by microwave radio relay and coaxial cable, with open wire and obsolete electromechanical and manual switchboard systems still in use in rural areas; starting in the 1980s, a substantial amount of digital switch gear has been introduced for local and long-distance service; long-distance traffic is carried mostly by coaxial cable and low-capacity microwave radio relay; since 1985 significant trunk capacity ...
— The 2001 CIA World Factbook • United States. Central Intelligence Agency.

... mechanisms to be released, the manner of combining them and the moment of releasing them. The will of an animal is the more effective and the more intense, the greater the number of the mechanisms it can choose from, the more complicated the switchboard on which all the motor paths cross, or, in other words, the more developed its brain. Thus, the progress of the nervous system assures to the act increasing precision, increasing variety, increasing efficiency and independence. The ...
— Creative Evolution • Henri Bergson

... reflected in the attitude of all the men. Alten had announced his intention of using the stern torpedo tube after his failure in the morning, and the crew of this tube were crouched at their stations like a gun's crew in the last few seconds preparatory to opening fire. The switchboard attendants gripped the regulating rheostatts as if by their personal efforts they could urge the boat on faster. Old Schmitt, at the helm, never lifted his ...
— The Diary of a U-boat Commander • Anon



Words linked to "Switchboard" :   phone system, telephone system, telephone exchange, patchboard, exchange, central, plugboard



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