Dell PowerApp 120 Laptop User Manual


 
support.dell.com Rack Installation Guide 1-5
Installing the System in the Rack
CAUTION: Due to the size and weight of the system, never attempt to install
the system by yourself.
1. Lift the system into position between the two posts, with the holes in the mount-
ing brackets aligned with the holes you marked on the two posts (see Figure 1-3).
2. Secure the system to the rack using two 12-24 x 0.5-inch screws through each of
the front mounting brackets and into the left and right posts.
3. Attach the back brackets to the sides of the chassis by positioning the brackets so
that the flange that fastens to the rack faces forward and fits close to the rack
(see Figure 1-3). Select the hole pattern appropriate for the width of the rack (both
3- and 6-inch rack widths are accommodated).
For a 3-inch wide rack, secure each bracket using two 10-32 x 0.25-inch pan-
head Phillips screws.
For a 6-inch wide rack, secure each bracket using a single 10-32 x 0.25-inch
pan-head Phillips screw in the front hole.
4. Secure the back brackets to the two-post rack using two 12-24 x 0.5-inch screws
through each of the two mounting brackets and into the left and right posts (see
Figure 1-3).
5. Attach the front bezel to the system, if it is not already attached (see the Installa-
tion and Troubleshooting Guide for instructions).
This completes the two-post center-mount rack installation.
Two-Post Flush-Mount Rack Kit Installation
This procedure provides instructions for installing a system in a two-post open-frame
relay rack, such as those found in telecommunications equipment facilities. Both
3-inch and 6-inch wide two-post racks are accommodated.
The two-post open-frame relay rack must be properly secured to the floor, to the
ceiling or upper wall, and where applicable, to adjacent racks, using floor and wall
fasteners and bracing specified or approved by the rack manufacturer or by industry
standards. Refer to the two-post open-frame relay rack manufacturer’s installation
documentation for precautionary warnings and information before attempting this
installation.
CAUTION: Do not attempt to install the system into a two-post open-frame
relay rack that has not been securely anchored in place. Damage to the
system and personal injury may result.
Refer to the safety instructions provided in your System Information booklet for addi-
tional safety information.