Convert an rj 45 gigabit ethernet network connection to multimode fiber the mcmgbsc055gb ethernet media converter converts transparently tofrom 1000base t ethernet signals and 1000base sx optical signals providing a cost effective ethernet fibercopper fiber link in order to extend an ethernet network connection over a multimode fiber backbone supporting a maximum multimode fiber optic cable distance of 550m 034 miles the fiber media converter delivers a simple solution for connectin