MOXA NPort® 5400, 4-Port RS-232/422/485 Serial Device Server

10/100M auto-sensing Ethernet 4 serial ports supporting RS-232/422/485 Built-in 15 kV ESD surge protection for all serial signals Socket modes: TCP server/TCP client/UDP/Real COM Configure via Telnet/Web/Windows utility SNMP MIB-II for network management 2 kV isolation protection for NPort 5430I/5450I/5450I-T -40 to 75°C operating temperature range (T model)