Media Converter / Switch, Singlemode, 60km Gigabit, 10/100/1000BaseTX to 1000BaseFX (SFP with LC) Four Copper Ethernet Ports, Two SFP Fiber Optic Ports
Amazon.com: CableRack 8 Port SFP Unmanaged Ethernet Optical Switch with One 1000M Gigabit UTP Port : Electronics
6-Port Unmanaged Ethernet Switch / Daisy-Chain and Star Fiber Optic Co – CommFront