Like the “important” link says in DroboAdmin, if there is anything available to configure via the webinterface it will show it, otherwise it just says “Unavailable”.
You can access everything through SSH or via changing config files, keep in mind, this is Linux, other commands, case sensitive etc etc.
Just enable PureFTP, and FTP to it (inside your network), like for instance ftp://192… u’ll see the map list, everything else … SSH/Conf files.
As an example for external access,
I have a dyndns account, I link it to my router via integrated DDNS, open ports 20/21 to forward to IP of Drobo, that’s it, accessible over the internet… be sure to change the FTP password when you have no other means to access let’s say a desktop inside your network via Logmein or any other remote software with which you can enable PuteFTP from outside network.