Operation Timed Out When Trying to SSH

I have been trying to install xbmc onto my apple tv 2 for the past hour or so, I jailbroke it a few times now and did the tethered boot.  I believe it worked.. when I plug the apple tv into the tv now it shows a usb cable and the itunes icon.  When I try to SSH to my apple tv using ssh root@<appletv ip address>  I just get operation timed out over and over again..  Anyone out there have any ideas on what I can do to fix this?

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