Manual switching system

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step-by-step switching system
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In general, managing such a complex network requires simple automated system, generally based on one or more multi-port, low dead volume valves, electrically or Frustrated - Strowger was driven by the motivation to replace human factor in manual exchange Strowger developed an automatic electromechanical switching systemThough there are different kinds of switching systems from manual to automatic, a few basic elements play an essential role for the functioning of a switching Other articles where manual switching is discussed: telephone: Manual switching: From the earliest days of the telephone, it was observed that it was more