2-port device server with 1 RS-232 port and 1 RS-422/485 port Compact design for easy installation Socket modes: TCP server, TCP client, UDP Easy-to-use Windows utility for configuring multiple device servers SNMP MIB-II for network managemen ADDC (Automatic Data Direction Control) for 2-wire and 4-wire RS-485 NPort 5230 Series serial device servers are designed to make your industrial serial devices Internet ready instantly. The compact size of the NPort 5230 device servers makes them the ideal choice for connecting your RS-422/485 serial devices, such as PLCs, meters, and sensors, to an IP-based Ethernet LAN, making it possible for your software to access serial devices anywhere on a local LAN, or the Internet.