IBM eServer 240 xSeries User Reference Manual page 182

Preparing the rack enclosure
To attach the mounting hardware to the rack enclosure:
1. Mark the positions of the slide brackets and the cable-management arm on the
2. Install the cage nuts or clip nuts, as required for your rack enclosure, in the
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IBM xSeries User's Reference
Before you begin
Before you begin to install your server in the rack, review the safety and
handling guidelines specified under "Safety information statements" on
page v, and "Electrical safety" on page 42.
To ensure rack stability, plan the installation of servers in the rack, starting
from the bottom. If you are installing different server models in the rack
enclosure, install the heaviest models in the lower part of the rack
enclosure.
Review the documentation that comes with your rack enclosure for safety or
cabling considerations. Ensure that your planned installation is within the
rack's guidelines for heat generation, electrical requirements, airflow, and
mechanical loading.
Verify that the rack can meet the operating parameters, as detailed in
"Features and specifications" on page 2.
Turn off the server, if it is on.
mounting rails of the rack enclosure.
a. Position the template on the front mounting rail, aligning the holes.
b. Mark the holes for the slide bracket cage nuts, using the dots supplied with
the template. Also mark the holes for the chassis bracket cage nuts.
c. Move the template to the rear mounting rails. Mark the locations for the
slide bracket cage nuts and the cable-management-arm mounting bracket.
Note: You must align the slide brackets correctly, or the installation cannot be
completed.
marked positions.