MOXA Industrial Media Converter IMC-21 series consists of entry-level 10/100BaseT(X) to 100BaseFX and 10BaseT to 10BaseFL media converters that are specially designed for reliable and stable operation in harsh industrial environments. IMC-21 is a cost-effective solution that runs on either a 12 to 45 VDC power input or 18 to 30 VAC power input. IMC-21 can operate reliably in temperatures ranging from -10 to 60°C, and the rugged hardware design helps ensure that your Ethernet equipment can withstand demanding industrial conditions.