€106.87Intellinet Gigabit Ethernet Single Mode Media Converter, 10/100/1000Base-T to 1000Base-Lx (SC) Single-Mode, 20km
€120.66StarTech.com Multimode (MM) SC Fiber Media Converter for 10/100/1000 Network - 550m Range - Gigabit Ethernet - 850nm - Full Duplex