System link on xbox360 is it possible???

[purplenut]

Ok i have 2 tvs,2 xbox,2 system link games and the wire that fits into the internet port.
BUT nope it wont find each other.
Is it me or have i just spent a fortune for nowt???
Any ideas welcome.
Cheers Leon:confused:

[mattJT]

Does this help?

http://support.microsoft.com/kb/910583