Fiber Optic Converters: A Beginner's Guide | RLH Industries, Inc.
TP-Link Gigabit SFP to RJ45 Fiber Media Converter, Fiber to Ethernet Converter 10/100/1000Mbps RJ45 Port to 1000Base-SX Multi-Mode Fiber (MC200CM) Black : Amazon.co.uk: Computers & Accessories