Gigabit Ethernet Switch Fiber Optical Media Converter Single Mode RJ45 Board PCB | eBay
8 Port SFP Optical Switch with Multimode and Singlemode SFP
Amazon.com: OLYCOM Gigabit Hardened Ethernet Media Converter Single Mode Duplex Industrial Fiber SC to Network Switch DIN-Rail/Wall Mount 9/12/24VDC Input IP40 Safety Class : Electronics
multimode (1300nm) or single mode (1300/1550nm) Fiber Optic hub switch
FE WDM Bi-Directional Single Mode Media Converter
Amazon.com: OLYCOM Gigabit Hardened Ethernet Media Converter Single Mode Duplex Industrial Fiber SC to Network Switch DIN-Rail/Wall Mount 9/12/24VDC Input IP40 Safety Class : Electronics