{TAIL ~ a USB host} providing a USB VBUS power signal compliant with {HEAD ~ USB VBUS power signal requirements} 
{ TAIL ~ a USB host } providing a USB VBUS power signal compliant with { HEAD ~ USB VBUS power signal requirements }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD