For downstream data, the AFE will receive in each packet from the DSP {HEAD ~ the digitized symbols} for {TAIL ~ each channel} which will be modulated in the AFE and transmitted over the corresponding subscriber line 
for
For downstream data , the AFE will receive in each packet from the DSP { HEAD ~ the digitized symbols } for { TAIL ~ each channel } which will be modulated in the AFE and transmitted over the corresponding subscriber line
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH