In {HEAD ~ response} to receiving {TAIL ~ the enable signal}, the voltage supply outputs a new USB VBUS power signal compliant with USB VBUS power signal requirements 
to receiving
In { HEAD ~ response } to receiving { TAIL ~ the enable signal } , the voltage supply outputs a new USB VBUS power signal compliant with USB VBUS power signal requirements
OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH