The circuit 12 further comprising means for receiving a transmission signal indicating that {HEAD ~ transmission} of {TAIL ~ said signal} from said input terminal to said output terminal should occur 
of
The circuit 12 further comprising means for receiving a transmission signal indicating that { HEAD ~ transmission } of { TAIL ~ said signal } from said input terminal to said output terminal should occur
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH