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