putty should do the job. maybe you need to enable SSH access on the tablet?
on N9 it only works with developer mode enabled, no idea for N800 and older.

edit: you could try to connect via winSCP and then open putty from there.

and of course, you need to know the IP of the tablet in your network.

edit again: found this http://hartvig.de/2008/setting-up-ss...fresh-install/