Power Distribution Units
In each HPE Intelligent Series Rack, four PDUs are mounted at the bottom of the rack.
PDU numbering:
• PDUs mounted horizontally—Numbered 0 to 1 from bottom to top.
• PDUs mounted vertically—Numbered 0 to 1 from left to right.
Verify that there is enough clearance for service.
For example:
• The PDUs mounted vertically at the rear of a rack must have enough clearance to remove
controller node and drive chassis power supples.
• The PDUs mounted vertically at the bottom of the rack so to provide a front-mounting unit
space.
Service Processor
There are two types of service processors:
• Physical service processor (SP)
SPS (single power supply)◦
◦ RPS (redundant power supply)
• Virtual service processor (VSP)
If your configuration includes a physical SP, it is located at the bottom of the rack under the
enclosures and above the PDUs.
Figure 31 HPE 3PAR service processor
For more information, see “Connecting to a Physical Service Processor” (page 96).
Power Distribution Units 39
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