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Before installing the DS4700 Express in a rack cabinet, you must install the rails
and rack-mounting hardware that come with your storage subsystem. The DS4700
Express requires an Electronic Industries Association (EIA) 310-D Type A 19-inch
rack cabinet. The distance between EIA rails, from the front to the rear of the rack,
is 60.96 cm (24 in.) minimum and 81.28 cm (32 in.) maximum. This rack conforms
to the EIA standard. Where you place the support rails in the rack depends on
where you intend to position the storage subsystem.
Complete the following steps to install the support rails:
Note: Refer to Figure 20 on page 40 while performing these steps.
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 DS4700 Express is
being installed.
Refer to the installation and service guide, or equivalent, for the rack as
required.
3. Locate the two support rails, eight of the twelve M5 screws, and eight washers
that are supplied with the DS4700 Express.
Note: The M5 screws and washers may already be attached to the support
rails. If so, remove them from the support rails.
®
3U
3U
2U
2U
1U
1U
0U
0U
Rail assembly
(Rear Left)
Rail assembly
(Rear right)
Printed in the U.S.A
REAR
Rack Mounting
Template
DS4700
Rail mounting guide
ds470002
Figure 19. Rear rack mounting template
38 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide