Netgear AXM751 10GBASE-SR XFP or "Short Reach" optics module will drive 10-Gigabit Ethernet over both 50 m and 62.5 m multimode fiber cabling to distances up to 300 meters. NETGEAR Prosafe AXM751 10GBASE-SR Xfp Optics Module Netgear AXM751 10GBASE-SR XFP or "Short Reach" optics module will drive 10-Gigabit Ethernet over both 50 m and 62.5 m multimode fiber cabling to distances up to 300 meters.