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Figure 43. Cabling three expansion enclosures
3. Route the power cords through the cable management arms. The power cords for power supplies on the left route through
the upper cable management arms, and the power cords for power supplies on the right route through the lower cable
management arms.
4. 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 to 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.
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
49
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