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