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support.dell.com Dell PowerApp 100 Appliances Rack Installation Guide 7
2. Place the 1-U template over the front of the two-posts of the rack in the desired
location.
3. Position the bottom of the template in line with the desired bottom position of
the computer chassis.
4. Mark the upper and lower-mounting positions on the vertical rails as shown by
the V-notches on the sides of the template.
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) 0.625,
0.625, and 0.5 inches (see Figure5).
Figure 5. Two-Post Open-Frame Relay Rack 1-U Hole Spacing
Installing the Bracket in the Rack
CAUTION: The 1-U mounting bracket is designed to support a single
PowerApp 100 system. Do not attempt to install any other system in this
bracket. Damage to the system and personal injury may result.
CAUTION: Due to the size and weight of the PowerApp 100 system, never
attempt to install the system by yourself.
1. Slide the back portion of the bracket to its widest opening and place the mount-
ing bracket into the rack, with the bottom of the bracket at the marks you made
earlier (see Figure6).
1.75 inch (1 U)
.5 inch
.625 inch
.625 inch
.5 inch