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1. Ensure that the rack cabinet has already been installed.
2. Ensure that a stabilizer has been correctly attached to the bottom front of the
rack to prevent the rack from tipping forward while the DS4500 is being
installed.
Refer to the installation and service guide, or equivalent, for the rack as
required.
3. Locate the two support rails, eight M6 screws, eight clip nuts, and eight cage
nuts that are supplied with the DS4500.
Note: The M6 screws may already be attached to the support rails. If so,
remove them from the support rails.
4. The rack-mounted unit is four EIA units high. Decide accordingly where you
are going to install the support rails.
Attention: Use the rack mounting template provided in Figure 9 on page 28
and Figure 10 on page 29 to locate the proper rack mounting holes for
installing the support rails into the rack.
Note the following considerations before you choose where to install the rails:
v If you are installing the DS4500 into an empty rack, install it into the lowest
available position so that the rack does not become unstable.
v If you are installing more than one DS4500 in the rack, start at the lowest
available position, and work upward.
v If appropriate, allow for possible later installation of other units.
v If necessary, remove the rack power distribution unit before you install the
support rails.
v For procedures and more information, refer to the installation and service
guide, or equivalent, for the rack.
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Figure 11. Installing the support rails
30 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide