Cisco Rugged SFP - SFP (mini-GBIC) transceiver module - 100Mb LAN - 100Base-FX - LC multi-mode - up to 1.2 miles - 1310 nm. The Cisco Small Form-Factor Pluggable (SFP) Gigabit interface converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network..