No the OS is on the hard drives and it is disabled in the OS so swaping boxes will not help. If you had another box that did work though it would be good to practice keystrokes on or see if a usb nic worked.
Vinett suggested a usb wireless but that would not work as you have to tell it to connect
Get a cheap usb keyboard while you are shopping I like that idea best
ctrl-alt-del type password press enter
then follow the other dudes instructions
if you get off on keystrokes/fail… one quick press of the power button should start a gracefull shutdown. we really don’t want to pull the plug on the raid aray
As a last resort you could do the factory reset and select keep my data. Folks have said it works, I have just never gotten around to trying it