In an ADSL transmitter , {TAIL ~ data} is flamed and split between {HEAD ~ a fast path} and an interleave path by multiplexer  
In an ADSL transmitter , { TAIL ~ data } is flamed and split between { HEAD ~ a fast path } and an interleave path by multiplexer
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH