Description Gigabit Ethernet Media Converter 10/ 100M Base RJ45 to 100M Single mode SC Fiber Connector , External AC Adaptor Works at 1000Mbps in Full-Duplex mode for both TX port and FX port Supports auto MID/ MID-X for TX port Provides switch configuration of Force / Auto transfer mode for FX port. Extends fiber distance up to 15km Easy-to-view LED indicators provide status to monitor network activity easily External power supply