Reach Optics'  SFP Media Converter supports 10/100/1000Base-TX Auto-sensing– with unusual troubleshooting indicators/features and high quality External AC power supply. It has the best performance of its kind and it’s easy to install and trouble-free and made by the top networking vendor. It supports 1x RJ-45 of 10/100/1000Base-TX Auto-sensing port (auto MDI/MDI-X, auto duplex/half duplex) and 1x 1000Base-FX SFP slot.