StarTech.com Singlemode (SM) SC Fiber Media Converter for 10/100/1000 Network, 10km, Gigabit Ethernet, 1310nm, w/ Auto Negotiation, Gigabit Ethernet to Single Mode (SMF) SC Fiber Converter - Ethernet Over Fiber (MCMGBSCSM10) - fibre media converter - 10Mb LAN, 100Mb LAN, 1GbE