the Tn-sfp-lx3 Small Form Factor Pluggables (sfp) Transceiver Is Designed For Bi-directional Serial Optical Data Communications Such As Gigabit Ethernet Or Fiber Channel And Speeds Up To 1.25gbps.the Device Is Designed For Use In Switches And Routers Compatible With Small Form Factor Pluggable Multi-sourcing Agreement (msa). The Module Also Offer Comprehensive Digital Diagnostic Capability (dmi).