Dell PowerVault MD1120 Installation Manual page 17

Installing the VersaRails Mounting Rails
1 At the front of the rack cabinet, position one of the VersaRails mounting
rails so that its mounting-bracket flange fits between the marks
(or numbered location) on the vertical rails (see Figure 1-6).
The holes on the front of the mounting-bracket flange should align
with the holes between the marks you made on the front vertical rail.
2 Install two 10-32 x 0.5-inch flange-head Phillips screws in the mounting-
bracket flange's top- and bottom-holes to secure the mounting rail
to the front vertical rail.
3 At the back of the cabinet, pull back on the mounting-bracket flange
until the mounting holes align with their respective holes on the back
vertical rail.
4 Install two 10-32 x 0.5-inch flange-head Phillips screws in the back
mounting-bracket flange's top- and bottom-holes to secure the mounting
rail to the back vertical rail.
5 Repeat step 1 through step 4 for the mounting rail on the other side
of the rack.
6 Ensure that the mounting rails are mounted at the same position
on the vertical rails on each side of the rack.
Rack Installation Guide
15