The Moxa IMC-21-M-ST industrial media convers offers reliable operation in harsh and rugged environments. This media converter has one RJ45 port, and one ST multimode 100BaseFX connector.brbrThe IMC-21 family of Ethernet to Fiber media converters are DIN mountable, operate on 12 – 45 VDC or 18 – 30 VAC power input. The IMC-21's operating temperature range is -10 – 60 deg. C, and is housed in a plastic IP30 enclosure.brbrIndustrially hardened media converters are perfect for network expansion when the application calls for long-runs of IP signal. Media converters can be used in industrial or manufacturing applications.