CISCO GLC-FE-100FX-RGD, 100BASE-X Small, SFP (mini-GBIC) transceiver module, Form Factor Plug-in module, Connectivity Technology Wired, Cabling Type Ethernet 100Base-FX, Interfaces 1 x Ethernet 100Base-FX - LC multi-mode x 2, Compliant Standards IEEE 802.3, IEEE 802.3ah, LC multi-mode, Min Operating Temperature 32 degree Fahrenheit, Max Operating Temperature 122 degree Fahrenheit, 1 x SFP (mini-GBIC). The Cisco 100BASE-FX Small Form-factor Pluggable (SFP) is a hot-swappable input/output device that plugs into a Fast Ethernet port or slot, linking the port with the network.