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Figure 30. Cabling three expansion enclosures
5. Route the power cords through the CMAs. The power cords for power supplies on the left route through the upper CMA,
and the power cords for power supplies on the right route through the lower CMAs.
6. Plug each power cable into the expansion enclosure power supply and secure the cord with the retention bail at the
connector.
NOTE:
If the power source PDU is energized, do not connect the power cords to the PDU until the system is ready to
be brought online. If you connect the power cords sooner, the system may power up during the installation.
NOTE:
It is recommended that you plug in the black power cables on the left and the gray power cables on the right.
The power cables work in either power supply, but a consistent cabling method will make it easier to troubleshoot issues.
7. Close all of the baskets and tighten the Velcro on the arms to prevent the cables from slipping.
Closing the cable management arms
About this task
Perform this procedure to close the cable management arms.
Steps
1. Close the lower cable management arm:
a. Swing the lower cable management arm to the left side of the enclosure, and align the retention latch with the lower rail
bracket.
b. Press the retention latch onto the lower rail bracket.
Install a new base enclosure and an optional expansion enclosure
37
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