TP-Link FC111B-20 Transceiver/Media Converter - 1 x Network (RJ-45) - 1 x SC Ports - DuplexSC Port - Single-mode - 1310 nm, 1550 nm Fiber - Fast Ethernet - 100Base-TX, 100Base-FX - 100 Mbit/s - 12.43 Mile - Power Adapter - Standalone, Rack-mountable: