TRENDnet 100Base-TX to 100Base-FX Multi Mode ST Fiber Converter (2 Km / 1.2 Miles), TFC-110MST 10/100B-TX to 100B-FX MM Convert ST-type multi-mode fiber port connects over distances of up to 2km (1.2 miles) Half- /full-duplex mode selector Wall-mountable 3 Year TRENDnet Manufacturers Warranty