Designed to convert 100BASE-FX fiber to 100Base-TX copper media or vice versa Works at 100Mbps in Full-Duplex mode for both TX port and FX port Supports auto MDI/MDIX for TX port and provides switch configuration of Force/Auto transfer mode for FX port Extends fiber distance up to 1.2 mile (2km) Easy-to-view LED indicators provide status to monitor network activity easily External power supply. Wave Length: 1310nm. Max Power Consumption: 2.4W