980 - GbE PCS: Why does the GbE PCS link state machine status signal regularly pulse low even though the SERDES/PCS receives valid 8b10b encoded characters?
Definition: The GbE Link State Machine (LSM) inside the RX side of the PCS monitors the incoming data for COMMA characters. The first time it detects a COMMA character , it assigns an "even" index to the cycle, and expects any new COMMA characters to ...