SFPTotal Whistle - Tiny and inexpensive programmer SFP transceivers
6 Port Full Gigabit Poe System Smart Ethernet Switch 4*poe + 1*rj45 +1*sfp Port 802.3af/at Total 65w,for Ip Camera/wireless Ap - Network Switches - AliExpress
HGW-802SM-SER-PSE - 8x RJ45 + 2x SFP ports + 2x RS485/422/232 serial ports Gigabit Ethernet Managed PoE Industrial fiber switch 240W total power, DIN rail mount, -40 to +75 Celsius
Amazon.com: Black Box LGC280 Series Gigabit Industrial Media Converter SFP - 1 x Network (RJ-45) - Gigabit Ethernet - 10/100/1000Base-T, 1000Base-X - 1 x Expansion Slots - SFP (mini-GBIC) - 1 x
SFPTotal Mini - Coding board SFP28, SFP+ and SFP transceivers
ROBOfiber HGW-802S-PSE - 8X RJ45 + 2X SFP Ports Gigabit Ethernet PoE Industrial Fiber Switch 240W Total Power, DIN Rail Mount, -40 to
24 Gigabit PoE+ Switch with 2 Gigabit SFP Uplink Ports, Total Budget 300W Output | eBay
Cisco SFP-10G-SR Compatible 10GBASE-SR SFP+ DOM Transceiver
26 Port Full Gigabit Poe System Smart Ethernet Switch 24*poe + 2*sfp Port 802.3af/at Total 400w,for Ip Camera/wireless Ap/cctv - Network Switches - AliExpress