a forward error correction encoder, coupled to the fast path and to the interleave path, for providing error correction to the plurality of frames to produce codewords in {TAIL ~ both the fast path} and {HEAD ~ the interleave path}, wherein each codeword is comprised of a plurality of bytes of data; and 
a forward error correction encoder , coupled to the fast path and to the interleave path , for providing error correction to the plurality of frames to produce codewords in { TAIL ~ both the fast path } and { HEAD ~ the interleave path } , wherein each codeword is comprised of a plurality of bytes of data ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH