Cisco MFE Small Form-Factor Pluggable (SFP) transceiver is an easy-to-install module that provides a simple way to add fiber connectivity or to add an extra Gigabit Ethernet port to your Cisco Small Business or Cisco Small Business Pro series switches. The Cisco MFE transceiver provides fast & reliable connectivity between switches that are located on different floors, in separate buildings, or on a small campus network needing connectivity between sites. This transceiver can support both Fast & Gigabit Ethernet applications.