The et91000sfp2 open sfp fiber media converter converts and extends a gigabit ethernet connection over fiber using the gigabit sfp of your choice a versatile solution for connecting an ethernet 1000base t network to remote network segments over a fiber backbone the media converter features an open sfp slot that lets you choose the msa compliant gigabit sfp that best suits your fiber connection mode single multi mode and distance requirements see our full line of gigabit transceive