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