Removing The Rack Doors; Marking The Rack - Dell PowerVault MD1000 Installation Manual

Rack installation guide
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Removing the Rack Doors

See the procedures for removing doors in the documentation provided with your rack cabinet.
CAUTION:
Because of the size and weight of the rack cabinet doors, never attempt to remove or install them
by yourself.
CAUTION:
Store the doors where they will not injure someone if the doors accidently fall over.

Marking the Rack

For a 3-U system, you must allow 3 U (132 mm, or 5.25 inches) of vertical space for each system
you install in the rack.
Rack cabinets that meet EIA-310 standards have an alternating pattern of three holes per rack unit with
center-to-center hole spacing (beginning at the top hole of a 1-U space) of 15.9 mm, 15.9 mm, and
12.7 mm (0.625 inch, 0.625 inch, and 0.5 inch) for the front and back vertical rails (see Figure 1-3).
Rack cabinets may have round or square holes.
NOTE:
The vertical rails may be marked by horizontal lines and numbers in 1-U increments. If you want, you can
make a note of the number marking on the rack's vertical rail. It is not necessary to mark or place tape on the rack.
Figure 1-3. One Rack Unit
1 U (44 mm or 1.75 inches)
CAUTION:
If you are installing more than one system, install the mounting rails so that the first system
is installed in the lowest available position in the rack.
10
Rack Installation Guide
12.7 mm (0.5 inch)
15.9 mm (0.625 inch)
15.9 mm (0.625 inch)
12.7 mm (0.5 inch)

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