In Putty is Serial marked? Is speed set to 9600?
You could also try hyper terminal. Here are the settings.
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Also, once consoled in hit enter a few times. Do you get a prompt? If not, worst case is the filer is unresponsive. Are you still serving data? Is there a partner node? If you log into the partner is the system in takeover? Which port are you plugging into?
Regards,
Nicholas Lee Fagan