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Reply To: EWSD info

pramod kumar

sir, i am newly posted in ocb l-1 tax. iam of transmision background. so please explain me the total switch interconnectivity i.e in what manner all the switches of a state are many types of levels are there in a switch .what is meant by tax & tandem.then how switching is done in ocb technology.explain me different commands thoroughly by good example of operation & maintenance.