Dell Energy Smart Rack Guide D'installation page 27

5 Flip the hinges and secure them on the opposite side of the extension
using screws and nuts. See Figure 12.
The two hinges at the top have the number 1 marked on them and the
bottom two hinges have the number 2 marked on them.
NOTE:
the number 2 is upside down.
NOTE:
the screws are installed in the top hinge hole.
Figure 12. Installing the Hinges on the Extension
1
1 hinges (4)
The orientation of the number 1 is right-side up and the orientation of
Each hinge is secured to the extension using only one screw and all
2
2 screws and nuts (4 each)
Installation Guide
25