Figure 18. Support rails
Cable management arm
The cable management arm (CMA), which consists of an upper and lower assembly, are packaged
separately from the expansion enclosure. As Figure 19 on page 28 shows, each CMA assembly is
attached to the rear end of the support rails.
Figure 19. CMA assemblies
Checklist: Unpacking and installing the 5U expansion enclosure
Before you unpack and install the 5U expansion enclosure, ensure that you review and follow the
installation checklist and safety notices.
Before you begin
CAUTION:
The weight of this part or unit is more than 55 kg (121.2 lb). It takes specially trained persons, a
lifting device, or both to safely lift this part or unit. (C011)
CAUTION: To avoid personal injury, before lifting this unit, remove all appropriate subassemblies
per instructions to reduce the system weight. (C012)
Important: Before you unpack, move, install, or service the 5U expansion enclosure and its parts, always
complete the following tasks:
• Read and follow the safety notices and instructions, as described in “Safety notices and considerations”
• Read and follow the guidelines that are described in “Weight considerations: 5U expansion enclosure”
28 Storwize V5100 : Quick Installation Guide for MTM 2078-424, 2078-12F, 2078-24F, 2078-92F, and 2078-
U5B
Summary of Contents for Storwize V5100 Series
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