receiving a digital differential signal having a first rate, {HEAD ~ the digital differential signal} comprising a first component and {TAIL ~ a second component} 
comprising
receiving a digital differential signal having a first rate , { HEAD ~ the digital differential signal } comprising a first component and { TAIL ~ a second component }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL