Amazon.com: A Pair of 1.25G/s Bidi Gigabit Multi-Mode Fiber Ethernet Media Converter with 2PCS Bidi SFP LC Dual Transceiver Module Included, 10/100/1000Base-Tx to 1000Base-SX SMF RJ45 to SFP Slot up to 550M
AJA Dual Multi-Mode LC 3G Fiber Receiver SFP FIBERLC-2RX-MM B&H
Amazon.com: 1.25 Gigabit Single Mode LC Duplex Transceiver,1000Base-LX Dual Fiber SFP Module,1310nm SMF, up to 10 km,DDM,Compatible with Cisco, Ubiquiti, Mikrotik,Netgear, Dlink,Linksys and More (1000M, x4) : Electronics