The NETRS2321E 1 Port RS-232/422/485 Serial over IP Ethernet Device Server is the ideal solution for remotely controlling serial devices over your LAN/WAN or even the internet. * The adapter also offers remote Telnet configuration and support for IP, HTTP, ICMP and TCP network protocols, while providing data transfer rates of up to 115.2Kbps per port. * Versatile support for multiple serial communication types (RS232, 422 and 485) ensures the device will work with nearly any serial device you may have