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 {HEAD ~ both the fast path} and the interleave path, wherein each codeword is comprised of a plurality of {TAIL ~ 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 { HEAD ~ both the fast path } and the interleave path , wherein each codeword is comprised of a plurality of { TAIL ~ bytes } of data ; and
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