Dell PowerVault 200S Rack Installation Manual page 20

1-6 Dell PowerVault 200S and 210S Storage Systems Rack Installation Guide
Repeat steps 1 and 2 to remove the back door from the rack.
Store the doors in an area where they will not fall over while you install the kit.
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To install the rail assemblies in the rack, perform the following steps:
1. Ensure that there is enough room in the rack to install the storage system.
The storage system takes 5.25 inches (3Us) of vertical space.
2. If the two adjustable rail-mounting flanges are not already attached to the support
rails, attach one flange to each of the support rails using two 10-32 x 1/2-inch
pan-head screws, as shown in Figure 1-6. Do not tighten the screws at this time.
hinge
release
lever