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