IEEE的802.3bs_D3.5标准协议，400G光通信必看。ThisamendmenttoIEEEStd802.3-2015addsClause116throughClause124andAnnex119AthroughAnnex120E.ThisamendmentincludesIEEE802.3MediaAccessControl(MAC)parameters,PhysicalLayerspecifications,andmanagementparametersforthetransferofIEEE802.3formatframesat200Gb/sand4