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