TRENDnet"s TFC-1000MGB Fiber Media Converter transforms 1000Base-T (Copper Gigabit) media to 1000Base-SX/LX (Mini-GBIC) media and vice versa. The 1000Base-T port supports full-duplex Gigabit connection at wire speed with RJ45 connector. The Mini-GBIC connection supports shortwave (SX) or longwave (LX) laser optic with multi-mode or single-mode Mini-GBIC module. This converter will give your Copper Gigabit connection the ability to interface with fiber connection over a great distance. With the optional 16-slot EIA-19-inch rack-mount chassis, the TFC series converters are the perfect solutions for various fiber media conversions for your network.