In response to determining that the interface is coupled to the host device, {HEAD ~ the electronic circuit} is coupled to {TAIL ~ the interface} such that power is supplied to the electronic circuitry from the host device 
is coupled to
In response to determining that the interface is coupled to the host device , { HEAD ~ the electronic circuit } is coupled to { TAIL ~ the interface } such that power is supplied to the electronic circuitry from the host device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH