Serdes and SGMII are both transceiver serial interfaces, the difference between SGMII and Serdes is that SGMII supports 10/100/1000 rate auto-negotiation but Serdes is fixed rate. FS can provide 100BASE-T, 10/100 / 1000BASE-T and 100BASE-FX SGMII modules.2020年2月10日にJ***sより発表された