Installing the optional 2U SAS expansion enclosure into the rack
The 2145-12F or 2145-24F SAS expansion enclosures can be installed in a separate rack or in the same
rack as the system nodes.
About this task
Note: Up to 20 optional SAS expansion enclosures can be connected to each pair of system nodes (I/O
group).
CAUTION:
• To lift and install the SAS expansion enclosure into the rack requires at least two people.
• Install a SAS expansion enclosure only onto the rails that are supplied with the enclosure.
• Load the rack from the bottom up to ensure rack stability. Empty the rack from the top down.
Procedure
To install an optional SAS expansion enclosure, complete the following steps.
1. On either side of the drive assemblies, remove the enclosure end caps by grasping the handle and
pulling the bottom of the end cap free, then clearing the tab on the top of the enclosure.
(See Figure 40 on page 35.)
Figure 40. Removing enclosure end caps
2. Align the enclosure with the front of the rack cabinet.
3. Carefully slide the enclosure into the rack along the rails until the enclosure is fully inserted (see
Figure 41 on page 36).
Note: The rails are not designed to hold an enclosure that is partially inserted. The enclosure must
always be in a fully inserted position.
Chapter 3. Installing an optional 2U SAS expansion enclosure
35
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