In Ubuntu, install the Samba client with $$sudo apt$-$get install smbclient$$ and try accessing both shares with $$smbclient $-$U guest $//192\mathrm{.}168\mathrm{.}0\mathrm{.}200/$SHARE$$ by changing SHARE appropriately $($it does not matter what password you type$).$ Only the first one should work.