This startechcom 10 gigabit fiber sfp is engineered to deliver reliable network connections built to exacting specifications and fully tested to ensure maximum performance this high quality fiber transceiver module can be installed into ciscoreg switches and routers that support the sfp 10g lr transceiver module as well as other major brands of networking equipment it provides a dependable and cost effective way to add replace or upgrade the ports on your 10gbase lr networki