Power Cooling Modules
The power cooling module (PCM) is an integrated power supply and cooling fan.
There are two types of PCMs:
• 580 W (gold series) PCM—Used in the drive enclosures.
• 764 W (gold series) PCM—Used in the controller node enclosures and includes a replaceable
battery.
The PCMs are located at the rear of the system and on the sides of the enclosure. There are
two PCMs per enclosure. The PCMs are numbered 0 and 1 from left to right. In the LFF 3.5-inch
drive enclosure, the two PCMs are located diagonally from one another and the remaining PCM
slots are filled with blank panels (see Figure 30 (page 38)).
CAUTION: Do not proceed without first correcting all fault indications (except for PCM batteries).
NOTE: The batteries are fully charged during shipment. The batteries might lose some charge
and show a degraded status immediately when power is applied. This is a temporary condition.
Proceed with the system initialization process and software installation. Check the LEDs again
when the installation is complete.
The cluster is not formed until the HPE 3PAR OS software configuration has been performed.
34 Identifying System Components and Numbering
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