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