TRENDnet Intelligent 1000Base-T to 1000Base-FX Single Mode SC Fiber Converter (70 Km / 43.5 miles), TFC-1000S70 Compliant with IEEE 802.3ab 1000Base-T and IEEE 802.3z 1000Base-LX standards SC-type single-mode fiber port connects over distances of up to 70km (43.5 miles) 1000Base-T Gigabit copper port supports Full-Duplex mode Supports port level SNMP management Functions as a stand alone converter or with the TFC-1600 fiber chassis 3 Year TRENDnet Manufacturers Warranty