Products & ServicesCisco Small Form-Factor Pluggable (SFP) Transceiver Modules Maintenanceand TroubleshootingDocument ID: 72370IntroductionThis document provides information about the deployment and troubleshooting of Cisco Small Form-Factor Pluggable (SFP) Transceiver Modules in Cisco Catalyst Switches. Cisco Transceiver Modulessupport Ethernet, Sonet/SDH and Fibre Channel applications across all Cisco switching and routingplatforms. Cisco pluggable transceivers offer a convenient and cost effective solution for the adoption indata centers, campuses, metropolitan area access and ring networks, and storage area networks.PrerequisitesRequirementsThere are no specific requirements for this document.Components UsedThe information in this document is based on the Cisco SFP Transceiver Modules.ContentsIntroductionPrerequisitesRequirementsComponents UsedConventionsCisco SFP Transceiver ModulesCisco Fast Ethernet SFP ModulesCisco Gigabit Ethernet SFP ModulesCisco CWDM Transceiver ModulesSupported Catalyst SwitchesCatalyst 6500/6000 SeriesCatalyst 4500 SeriesCatalyst 3750 SeriesCatalyst 3750-E SeriesCatalyst 3560 SeriesCatalyst 3560-E SeriesCatalyst 2970 SeriesCatalyst 2960 SeriesCatalyst 2950 SeriesCatalyst 2948G SeriesCatalyst 2940 SeriesCatalyst Express 500 SeriesSafety GuidelinesLaser SafetyGuidelines for Handling SFPsRequired ToolsInstall and Remove SFP Transceiver ModulesTypes of SFP Transceiver LatchesInstall a SFP Transceiver ModuleRemove SFP Transceiver ModulesCabling SpecficationsConfigure SFPsConfigure Interface Speed and Duplex ModeUse Third Party SFP ModulesConnect a SFP Module to a GBIC ModuleTroubleshoot SFPsThe Link Does Not Come Up in the Sup720 Module with Line Cards WS-X6724-SFP and WS-X6748-SFP, Even After a RebootThe WS-X6724-SFP Module with DFC3A Resets in Cisco Catalyst 6500 Switches That RunCisco IOS SoftwareSpeeds Supported by the 1000BASE-T(GLC-T) SFP Module on the Cisco Catalyst 3750 SeriesSwitchUse the 10-Gigabit Ethernet and Gigabit Ethernet SFP Ports of a SupII+10GE or SupV-10GE ina Catalyst 4500 Series SwitchSPF Ports of the WS-X4506-GB-T Module or the WS-X4948 Chassis Do Not Come UpSFP Interfaces of X2/Twin Gigabit Converter Do Not Come UpThe Links Do Not Come Up in Cisco 3800 Series Routers with SPFs for Connecting to CiscoCatalyst SwitchesCisco Support Community - Featured ConversationsRelated Information