Trendnets tfc 1000 series fiber media converter transforms 1000base t copper gigabit media to 1000base sxlx 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 t