plugboard


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plugboard

(ˈplʌɡˌbɔːd)
n
(Electronics) another name for patchboard
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.plugboard - telephone central where circuits are completed with patchcordsplugboard - telephone central where circuits are completed with patchcords
central, telephone exchange, exchange - a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
phone system, telephone system - a communication system that transmits sound between distant points
References in periodicals archive ?
058-135 Ohm Relay w/M2FB contacts ; 14 EA B2 Vital Electronic Timer Relays-DC ; 222 EA Relay Code Plate ; 222 EA Relay Tab ; 222 EA Relay Plugboard w/Hold-down Stud and 4 Crimping Tool for Plugboard.
com)-- He is most vividly remembered for his work on cryptanalysis during World War II, developing the so-called electro-mechanical Bombe used to determine the correct rotor and plugboard settings of the German Enigma encryptor to decrypt intercepted messages - a development said to have shortened the length of World War II by two years.
The rotors, or wheels, could be permuted in 60 ways, the three wheels could be set initially in 17,576 ways, while the plugboard could go through 150 million million circuit changes, so that altogether there were 158 million million million possible settings for every message.