Sure, there are modems and serial ports, ranging from 300 to 115200 bps, but since 2002 there are 10 Mb Ethernet cards too. I wrote a TCP/IP stack for it: http:

Sure, there are modems and serial ports, ranging from 300 to 115200 bps, but since 2002 there are 10 Mb Ethernet cards too. I wrote a TCP/IP stack for it: http://oliverschmidt.github.io/ip65/ http://oliverschmidt.github.io/ip65/