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4. Locate the left and right blue release tabs near the front of the enclosure. Press both release tabs
forward to unlock the drawer mechanism (
5. Push the enclosure firmly into the rack (
6. Tighten the locking thumb screws (
7. Reconnect power to the expansion enclosure.
Installing or replacing the cable-management arm
Use these procedures to install the cable-management arm (CMA) for the 5U expansion enclosure. You
can also use these procedures to replace a faulty CMA assembly.
About this task
As part of the initial installation of the 5U expansion enclosure, you must attach the CMA. You might also
need to replace a faulty CMA with a new one from FRU stock.
The cable management arm (CMA) consists of an upper arm and a lower arm assembly, as Figure 43 on
page 40 shows.
Figure 43. Upper and lower cable-management arms
As Figure 44 on page 40 shows, the support rail connectors of each CMA assembly are installed on the
rail hooks at the end of the support rails.
Figure 44. Upper and lower cable-management arms
Procedure
1. Remove the loop straps from the upper and lower CMA assemblies. The straps are used only for
shipping.
Installing the upper CMA assembly
Figure 45 on page 41 shows the connectors on the upper CMA assembly.
40 Storwize V5100 : Quick Installation Guide for MTM 2078-424, 2078-12F, 2078-24F, 2078-92F, and 2078-
U5B
3
in Figure 42 on page 39).
4
in Figure 42 on page 39).
5
in Figure 42 on page 39) to secure the enclosure in the rack.
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