Secure Rear Of Enclosure - HP 6400/8400 Reference Manual

5. At the rear of the rack, loosen the thumbscrew on the shipping retaining bracket (1, Figure 15)
and slide the bracket forward (2, Figure 15) until the tab engages the slot in the chassis. Tighten
the thumbscrew on the bracket.
Figure 13 Secure rear of enclosure
.
HP StorageWorks 6400/8400 Enterprise Virtual Array expansion rack reference guide 19