1.25 Gbps BiDi SFP transceiver module 1000BASE-BX-U SM 20 km LC The Mini-GBIC (SFP) transceiver family from LogiLink offers the highest quality and reliability. Whether switch-to-switch, converter-to-switch, converter-to-converter, the wide range of LogiLink modules enables the flexible use of fiber optic technology. Compliance with the MSA (Multi-Source Agreement) ensures compatibility with products from other manufacturers.