RUGGEDCOM *** Product has a 5 year extended warranty *** RMC-HI-TXFXMM-XX RMC-HI-TXFXMM-XX is an industrially hardened fiber optical media converter specifically designed to operate in harsh harsh environments such as those found in electric utility substations and factory floors. Power Supply 88-300VDC or 85-264VAC Conversion Type TXFXMM 100BaseTX to 100FX MM, 1300nm, 2km via SFF MTRJ connector DIN rail mounting is standard