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Power distribution unit assessment, Power worksheets, Example calculation – IBM SCOD-3ZVQ5W User Manual

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Power distribution unit assessment

If your calculations indicate that you need to upgrade your power modules, you will also need to reassess
your power distribution unit (PDU) configuration. Use the IBM BladeCenter Planning and Installation Guide to
determine the number and types of PDUs that you need. To obtain the BladeCenter Planning and Installation
Guide
, go to http://www.ibm.com/support/.

Power worksheets

Power domain A worksheet (for power modules 1 and 2)

Power domain B worksheet (for power modules 3 and 4)

Example calculation

Power domain A worksheet (for power modules 1 and 2)

Blade bay

Description of installed device

IBM power units

1

2

3

4

5

6

Total

Blade bay

Description of installed device

IBM power units

7

8

9

10

11

12

13

14

Total

Overloading a branch circuit is potentially a fire hazard and a shock hazard under certain
conditions. To avoid these hazards, ensure that your system electrical requirements do not exceed
branch circuit protection requirements. Refer to the information that is provided with your device