The Hirschmann RSPM20 is a robust media module designed for network solutions, falling under the category of switch modules. This unit features Port A with four RJ45 connectors supporting 100 Mbit/s over twisted pair cabling and Port B equipped with four SFP slots also capable of 100 Mbit/s data transfer rates. Engineered to operate reliably within a temperature range of 0 deg C to +60 deg C, it meets CE, FCC, and EU safety standards. The RSPM20 series is tailored for engineers seeking dependable performance in industrial networking environments.