Also, optionally, the VBUS power signal may be routed to a programmed or discrete logic circuit or other circuitry 25 to adjust {HEAD ~ the polarity} of the signal and to output {TAIL ~ an Enable signal} 
Also , optionally , the VBUS power signal may be routed to a programmed or discrete logic circuit or other circuitry 25 to adjust { HEAD ~ the polarity } of the signal and to output { TAIL ~ an Enable signal }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL