8 serial ports supporting RS-232/422/485 / 10/100M auto-sensing Ethernet Compact desktop design / Built-in 15 KV ESD protection for all serial signals Easy IP address configuration with LCD panel / SNMP MIB-II for network management Choice of configuration methods: Web console, Telnet console, and Windows utility Versatile socket operation modes, including TCP Server, TCP Client, UDP, and Real COM MOXA NPort 5610-8-DT - 8 Port RS-232 Desktop Serial Device Server