While in the SFD detect state 406, the processing determines if a valid value of {HEAD ~ the start} of frame delimiter is contained within {TAIL ~ the received data packet} 
While in the SFD detect state 406 , the processing determines if a valid value of { HEAD ~ the start } of frame delimiter is contained within { TAIL ~ the received data packet }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL