Installation 71
Power Cord Connection
Connect a power cord from each PSU on the chassis rear panel to the PDU (power distribution unit)
as shown in the illustrations below.
Figure 67 provides an illustration of connecting 2U RAID chassis PSUs to an AC PDU.
Figure 67 Connecting 2U RAID chassis PSUs to AC PDU
Figure 68 provides an illustration of connecting 5U RAID chassis PSUs to an AC PDU.
Figure 68 Connecting 5U RAID chassis PSUs to AC PDU
IMPORTANT: When more than one PSU is fitted, all power cords must be connected to at least two
separate and independent power supplies to ensure redundancy. When the storage system is ready
for operation, ensure that each PSU power switch is set to the On position.
CAUTION: Power connection concerns:
• Always remove the power connections before you remove the PSU from the chassis.
• When bifurcated power cords (Y leads) are used, these cords must only be connected to a supply
range of 200–240V AC.
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