Amazon.com: TRENDnet 100BASE-T to SFP Fiber Media Converter, Fast Ethernet to SFP Media Converter, Multi-Mode or Single-Mode, Full-Duplex, TFC-FSFP : Electronics
VX-200MT-X2 100Base-T to 100Base SFP Ethernet Micro Media Converter
SFP-5000-RJ45A - Fast Ethernet copper SFP transceiver, 10/100Base-TX, max range 100m, RJ45 connector