Dell DR4000 - Manual (Page 12)

12 Setting up IBM TSM on the Dell™ DR4X00 Disk Backup Appliance
5. Choose the FILE Device Type and click Next
Device Type: For DR4X00 choose FILE. This device type is optimized for writing to disk based
storage.
6. Populate all the required fields in General Information and click Next
Name: Descriptive name for the device class
Path: UNC path to the DR 4X00 container