Okay do you know what ethernet is there is a good chance that your computer may have an ethernet port already if it does all you need is a cross over cable not too difficult to find.

Ethernet is basically what most computer use for talking to each other over a network.

If you look at the back of the empeg (if mk2 or mk2a) the ethernet is the one next to usb that looks like a phone point

Where abouts are you