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5. Place the E-DDM CRU horizontally on a level surface.
Attention: Do not stack E-DDM CRUs on top of one another. Protect the
E-DDM CRUs from vibrations or sudden shocks.
6. Repeat step 1 through step 4 on page 45 for additional E-DDM CRUs.
Installing the DS4700 Express into a rack on the support rails
Complete the following steps to install the DS4700 Express in the rack cabinet.
CAUTION:
Do not install modules or other equipment in the top half of a rackmount
cabinet while the bottom half is empty. Doing so can cause the cabinet to
become top-heavy and tip over. Always install hardware in the lowest
available position in the cabinet.
Statement 4:
≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb)
CAUTION:
Use safe practices when lifting.
1. Put on antistatic protection, and keep it on while performing all of the remaining
procedures in this chapter.
exp80018
Figure 24. Removing a E-DDM CRU
46 IBM System Storage DS4700 Express Storage Subsystem: Installation, User’s and Maintenance Guide