You need to purchase either a switch or a hub.

http://www.homenethelp.com/web/diagram/ethernet-hub.asp

Additional information...

http://www.homenethelp.com/home-network.asp

http://www.homenethelp.com/connection-sharing.asp

--

Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual
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rights...

"Hibes" <spamback@you.com> wrote in message
news:u2oxPCJ7FHA.2676@TK2MSFTNGP15.phx.gbl...
> Is it possible to split one ethernet cable to 2 connectors, so that 2 PC's
> can be connected to one line. I'd only be using one computer at a time
> and realize that using both at once wouldn't work. Is there any harm that
> could come of this? Say if both computers accidentally went on at once?
>
> Thanks.
> Hibes