1000BASE-X vs SGMII

 

1000BASE-X

SGMII

1 8b/10b encoding @1.25GHz 8b/10b encoding @1.25GHz, encoding is different with 1000BASE-X
2 1000Mbps only  
3 fiber SPF module to fiber optic cable between MAC and PHY. used in Copper SPF module
4 AN: duplex, flow control AN: speed, duplex, flow control
     
     
     
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