Signaling layout

Railway Signal Clearance RRI

Railway Signal Clearance RRI,Signaling layout,Point free to operate,Route initiation circuit -1, Point initiation circuit,SIGNAL CONTROL CIRCUIT,Special controls,GSR circuit,Signal control circuit,Approach locking circuit-1,Route normalisation circuit – NR,Swinging Overlap,Auto controls,Two red rule Railway Signal Clearance RRI Signaling layout Point free to operate     Route setting 1. First button pressed is recognized as entrance button and the second […]

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