HP P6350 Manual de usuario descargar pdf (Pagina 32)

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101

A PDU 2 failure:

• Disables the power distribution circuit

• Removes power from the right side of the PDM pairs

• Disables drive enclosures PS 2

• Disables the controller PS 2

PDMs

Depending on the rack, there can be up to eight PDMs mounted in the rear of the rack:

• The PDMs on the left side of the PDM pairs connect to PDU 1.

• The PDMs on the right side of the PDM pairs connect to PDU 2.

Each PDM has seven AC receptacles. The PDMs distribute the AC power from the PDUs to the

enclosures. Two power sources exist for each controller pair and disk enclosure. If a PDU fails, the

system will remain operational.

CAUTION: The AC power distribution within a rack ensures a balanced load to each PDU and

reduces the possibility of an overload condition. Changing the cabling to or from a PDM could

cause an overload condition. HP supports only the AC power distributions defined in this user

guide.

Figure 13 Rack PDM

1. Power receptacles

2. AC power connector

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