The enable signal causes the voltage supply to output {HEAD ~ a new power signal} that is compliant with {TAIL ~ USB VBUS power signal requirements} 
is compliant with
The enable signal causes the voltage supply to output { HEAD ~ a new power signal } that is compliant with { TAIL ~ USB VBUS power signal requirements }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL