What is an SFP (Small Form Factor Pluggable) Port?
SFP+ 10GBase-T module, RJ45, 30 m, Cisco
TP-Link TL-ER7206 SafeStream Gigabit Multi-WAN VPN Router, Up to 4 WAN Ports: 1 gigabit SFP WAN port, 1 gigabit RJ45 WAN port, 2 gigabit WAN/LAN,Omada | Dataworld Australia
TRENDnet 100BASE-T to SFP Fiber Media Converter, Fast Ethernet to SFP Media Converter SFP : Amazon.com.au: Computers