Dual 10/100Mbps Fast Ethernet for Redundancy4-Port RS232/422/485, Baud Rate up to 921 Kbps15KV ESD Protection for Serial SignalsRigid IP30 Metal HousingRAW TCP Server/TCP Client/UDP/Virtual COM/Tunneling ModesBuilt-in Web Server/Serial Console/Telnet/Windows-based UtilityMonitor, Manage, and Control Industrial Field Devices RemotelyDIN-Rail and Wall Mount SupportExtended Operating Temperature: -40°C to 85°C5-Year Warranty