Chapter 7 Operation of 5U enclosures 49
IMPORTANT Only after you successfully complete the installation checklist can you complete system
setup and begin operation of the storage enclosure.
To apply power to the 5U enclosure:
1. If you removed power to repair the storage enclosure, begin by facing the rear of the rack cabinet and
connect the plug for each of the power to an independent power distribution unit (PDU). The second power
supply unit (PSU) provides the first PSU with redundant power.
IMPORTANT The storage enclosure design requires two redundant power supply units (PSUs). You
must plug each power cord into an independent power distribution unit (PDU) that connects to an
uninterruptible power system.
Figure 40 Route 5U power cords to redundant PDUs
Figure 41 Route 5U power cords to redundant PDUs
2. Press the power switch to the ON position for each power supply unit (PSU).
3. Facing the front, observe the LEDs on the front panel area and confirm the
Power On
LED is in a steady
green state. If it is flashing amber, proceed to "Hardware installation and configuration issues" on page68.
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