Tripp Lite Unmanaged Industrial Gigabit Copper to Fiber Media Converter - 10/100/1000 Mbps, RJ45/SFP, -40° to 75°C, DC - N785-I01-SFP-DU - Transceiver Modules - CDW.com
Amazon.com: Single Mode LC Gigabit Fiber Media Converter - Includes LC SFP 20 km (12.42 Miles) LC – to UTP Cat5e Cat6 10/100/1000 RJ-45 – Auto Sensing Gigabit or Fast Ethernet Speed -
Fiber Optic Cabling VS. Cat6: Everything You Need To Know - eInteractive