10GBASE-KR FEC Tutorial - IEEE 802

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IEEE802 Plenary July 2006 10GBASE-KR FEC tutorial 13 FEC block format Payload words carry the 10GBASE-R scrambled payload words Tn = Transcode bit carries the state of the 10GBASE-R sync bits for the associated payload word Sync bits are compressed to аsingle bit then scrambled to ensure DC balance 64b/66b sync bits are either 10 or 01 hence can be reconstructed from the T bit

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