Cisco GbE 1000Base-SX SFP MMF 850nm DOM Transceiver (Cisco (GLC-SX-MMD=)
MGSW-24160F L2+ 16-Port 100/1000BASE-X SFP + 8-Port 10/100/1000BASE-T Managed Metro Ethernet Switch - Planet Technology USA
Industrial 10/100/1000Base-T to 100/1000Base-X SFP Ethernet Media Converter with 12-48V Input - AliExpress
Amazon.com: QSFPTEK Mini Unmanaged 2X 10/100/1000Base-T RJ45 to 1000Base-X SFP, Gigabit Ethernet to Fiber Media Converter, AC 100V~240V or DC 5~12V Optional : Electronics
GT-1205A - Standard Gigabit Media Converter - PLANET Technology
Delock Media Converter 1000Base-X SFP to SFP
1x 10/100/1000BASE-T RJ45 to 1x 100/1000BASE-X SFP Slot Gigabit Ethernet PoE+ PD Media Converter - FS.com