Amazon.com: Gigabit Multi-Mode LC Fiber to Ethernet Media Converter with A SFP SX Module, 1.25G Fiber to Copper RJ45 Media Converter, 1000Base-SX to 10/100/1000Base-TX, MMF, Transmission up to 550 meters/1804 ft :
Tripp Lite Hardened Gigabit Copper to Fiber Media Converter - 10/100/1000 Mbps, RJ45/SFP, -10° to 60°C - fiber media - N785-H01-SFP - Transceiver Modules - CDW.com
Gigabit PoE PD SFP Fiber Media Converter - TRENDnet TFC-PGSFP
Fast Ethernet Layer 2 Media Converter s/ SFP Slot - DY-66011SFP
Gigabit Media Converter SFP Transceiver Module 20KM 1000Mbps Fast Ethernet RJ45 to Fiber Optic 1sfp1E switch 1 port LC 2PCS