This document provides information about the deployment and troubleshooting of Cisco Small Form-Factor Pluggable (SFP) Transceiver Modules in Cisco Catalyst Switches. Cisco Transceiver Modules support Ethernet, Sonet/SDH and Fibre Channel applications across all Cisco switching and routing platforms. Cisco pluggable transceivers offer a convenient and cost effective solution for the adoption in data centers, campuses, metropolitan area access and ring networks, and storage area networks. - See more at: http://network-guarantee.co.uk/network/products-page/cisco-router/cisco-7300-series/cisco-routers-sfp-ge-l/#sthash.7iKDsCHt.dpuf