StarTech.com 1 Port RS232 Serial to IP Ethernet Converter...
NETRS2321P -
StarTech.com 1 Port RS232 Serial to IP Ethernet Converter / Device Server - Aluminum - Connect to, configure and remotely manage an RS-232 serial device over an IP network - Aluminum Enclosure RS232 Serial Device Server - Serial over IP - Serial to IP Converter - RS232 to Ethernet Adapter - 460Kb...
$ 258.83