XPost: sci.electronics.design   
   From: jasen@xnet.co.nz   
      
   On 2015-08-08, DaveC  wrote:   
   > USB uses differential signaling, D- and D+ signal lines. Since it’s   
   > differential, is absolute polarity important? If, for example, I mix up the   
   > two conductors on a USB device I’m rewiring, is this critical?   
   >   
   >   
   > Just curious…   
      
   because it's differential doiong that would make a "1" look like a "0" and a   
   "0" look like a "1", that seems unlikely to end well unless USB has   
   been designed to detect and compensate for this fault.   
      
      
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