Close The First Arm; Install The Second Separator - Dell EMC PowerProtect DD9900 Installation Manual

Install the System in the Rack
3. Close the first arm by connecting it to the bracket on the left side of the chassis.
4. Install the second separator on top of the first arm .
5. Install the second arm on the left side of the chassis, on top of the separator with the open
Dell EMC PowerProtect DD9900 System Installation Guide
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Figure 16 Close the first arm
Figure 17 Install the second separator
side up.