Cisco SFP Modules - All of FluxLight's Cisco SFP Transceivers are guaranteed fully compatible with Cisco switches and routers. For ease of cross referencing, FluxLight's Cisco SFP Modules use the same part numbers as the corresponding parts from Cisco Systems. Please check Cisco's SFP Compatbility Matrix (may be found at Cisco.com) or contact us to determine if specific Cisco SFP Transceivers are compatible with your switch or router. FluxLight carries parts corresponding to virtually all Cisco SFP Modules and even a few not offered by Cisco Systems. Please contact us if you have questions or requests regarding FluxLight's Cisco SFP Transceivers.