TRENDnet's TFC-1000 series Fiber Media Converter transforms 1000 Base T (Copper Gigabit) media to 1000 Base SX/LX (Fiber Gigabit) media & vice versa. The 1000 Base T port supports full-duplex Gigabit connection at wire speed with RJ45 connector. The fiber Gigabit connection supports shortwave (SX) or longwave (LX) laser optic with multi-mode or single-mode SC type connector. This converter will give your Copper Gigabit connection the ability to interface with fiber connection over a distance up to 20 km. With the optional 16-slot EIA-19" rack-mount chassis, the TFC series converters are the perfect solutions for various fiber media. TFC-1000MSC is a 1000 Base T to 1000 Base SX Multi-Mode Fiber Converter with SC Connector.