IBM FlashSystem 820, Manual

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Using the ac power cords that are provided, connect each power supply to a power source. As a best
practice, connect each of the power cords to separate circuits.
When ac power is connected, the storage system powers up and the front panel display shows the
power-on sequence. When the system is fully ready, the front panel displays
Status: OK and the system
performance statistics, including the system bandwidth and total input/output operations per second.
Figure 3. Power supplies
Installing the IBM FlashSystem 820
5