D-Link DNS-323 - Network Storage Enclosure NAS Server User Manual page 56

Section 3 - Configuration
If the DNS-323 you are working with does not show up in the device list, click Refresh.
Highlight an available DNS-323.
All available volumes will be displayed
under Drive Mapping. Highlight the volume
you want to map to your computer.
Select an available drive letter from the
drop-down menu and click Connect.
Once connected, your mapped drive(s) will appear in My Computer.
D-Link DNS-33 User Manual