Media Converter, Pure Gigabit Ethernet, RJ45-SFP — Primus Cable
Amazon.com: SFP Copper RJ45 Transceiver Gigabit Module 10/100/1000Base-T with Gigabit Ethernet Single Mode Dual SC Fiber, Mini 1x 10/100/1000Base-T RJ45 to 1x 1000Base-LX SFP Slot Ethernet Media Converter : Electronics
Amazon.com: Gigabit Single-Mode LC Fiber to Ethernet Media Converter with A SFP LX Module, 1.25G SFP Fiber to Copper RJ45 Media Converter, 1000Base-LX to 10/100/1000Base-TX, 1310nm, SMF, Transmission up to 20-KM :
8 port Fiber Optic SFP Switch - FASTCABLING
FGSW-1816HPS 16-Port 10/100TX 802.3at PoE + 2-Port Gigabit TP/SFP Combo Web Smart Ethernet Switch - Planet Technology USA