support.dell.com Rack Installation Guide 1-17
3. Mark the rack’s front vertical rails with a felt-tipped marker or place masking tape
where the system’s upper and lower edges will be located (see Figure1-13).
Make a mark or place tape on the vertical rails next to the template’s V-shaped
notches.
Each 1-U (1.75-inch) vertical space has three holes, with center-to-center spacing
between holes (beginning at the center of the top hole of a 1-U space) of 0.625,
0.625, and 0.5 inch (see Figure1-12).
4. Repeat steps 2 and 3 with the template over the back of the rack.
For more information about requirements for installing components in a rack, see
the Dell Rack Advisor software available on the Dell World Wide Web site at
http://support.dell.com.
Figure 1-13. Using the Template to Mark the Vertical Rails1-U template
1 U (1.75 inches) between
s
lide assemblies
(
drawing is not to scale)