EIA-485 (RS-485) HDX f/o transceiver (media converter) for active coupling of RS-485 half duplex 2-wire lines with 1x or 2x multimode, singlemode (monomode), HCS or plastic fiber optic (POF) lines for point to point transmission lines or for constructing a fiber optic data bus (fieldbus). 9-pin Sub-D port socket (female) / fiber optic SC, ST/BFOC. Max. 3MBit/s, termination switchable, DIN rail mountable, casing stainless steel, powder coated, dimensions 115x61x113mm (HxWxD), power input 12..30V DC, 200mA. On request also BiDi (WDM / SingleFiber).