{TAIL ~ The system} may include, in each of the isolated circuit sub systems 710A, 710B: respective USB transceiver units 730A, 730B, respective isolator transceivers 740A, 740B and {HEAD ~ respective controllers} 750A, 750B 
{ TAIL ~ The system } may include , in each of the isolated circuit sub systems 710A , 710B : respective USB transceiver units 730A , 730B , respective isolator transceivers 740A , 740B and { HEAD ~ respective controllers } 750A , 750B
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH 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