220.127.116.11. 64B/66B Decoder and Receiver State Machine (RX SM)
The 64B/66B decoder reverses the 64B/66B encoding process. The decoder block also contains a state machine (RX SM) designed in accordance with the IEEE802.3-2008 specification. The RX SM checks for a valid packet structure in the data sent from the remote side. It also performs functions such as sending local faults to the Media Access Control (MAC)/Reconciliation Sublayer (RS) under reset and substituting error codes when the 10GBASE-R and 10GBASE-KR PCS rules are violated.
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