Serial to Ethernet - TIBBO

The DS1102 is a compact BASIC-programmable controller targeting serial-over-IP and serial control applications.

The DS203 is a serial device server that can be used to quickly network-enable virtually any serial device or system.

BASIC-programmable external controller. One 100BaseT Ethernet port, 3.5 serial channels on a single RS232 port, very compact dimensions. Onboard flash disk, EEPROM.
Can be used as a serial device server — Tibbo BASIC serial-over-IP application available for free.