You can drag on a connection line to break and recreate a connection. 
         
         Reconnecting an input to a different output
         
         
            - Drag on a connection line from the output side to disconnect it, and reconnect it to a different output. 
 
         
         Reconnecting an output to a different input
         
         
            - Drag on a connection line from the input side to disconnect it, and reconnect it to a different input.