 1000BASE-SX FIBER SFP TRANSCEIVER. UP TO 1.25 GB/S BI-DIRECTIONAL DATA LINKS, UP TO 500M 1000BASE-SX Fiber Small Form Factor Pluggable (SFP) transceiver. Up to 1.25 Gb/s bi-directional data links, up to 500m on 50/125 micrometer MMF, 220m on 62.5/125 micrometer MMF |