means for separating {HEAD ~ the DC power} and {TAIL ~ the control signals} from the RF video signals 
means for separating { HEAD ~ the DC power } and { TAIL ~ the control signals } from the RF video signals
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH