(QSGMII)options.ThisspecificationdefineUSGMIIoptiontosupport4x1GE/8x1GEnetwork portsand5G/10GPHY/MACSERDESspeedrespectively: •Convey4to8portsofnetworkdataandportspeedbetweena10/100/1000 PHYandaMACwithsignificantlylesssignalpinsthanrequiredforGMII&