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Appendix D. 3-phase dual power installation
The zEC12 models are designed with a fully redundant power system. Each computer has two or four
line cords attached to two or four power input ports which, in turn, power a pair of fully redundant
power distribution systems within the computer. To take full advantage of the redundancy/reliability that
is built into the computer system, the server must be powered from two or more distribution panels.
The following shows four examples of redundancy. In these examples, up to four power cords are
identified.
v P02 - Front BPE and J02 - Front BPE are the labels identifying the ends of one of the power cords. P02
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- Front BPE is the label identifying the end of the power cord that connects to the bottom BPE jack in
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the front of the frame and J02 - Front BPE is the label identifying the end of the same power cord that
connects to the customer power distribution unit.
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v P02 - Back BPE and J02 - Back BPE are the labels identifying the ends of one of the power cords. P02 -
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Back BPE is the label identifying the end of the power cord that connects to the bottom BPE jack in the
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back of the frame and J02 - Back BPE is the label identifying the end of the same power cord that
connects to the customer power distribution unit.
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v P01 - Front BPE and J01 - Front BPE are the labels identifying the ends of one of the power cords. P01
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- Front BPE is the label identifying the end of the power cord that connects to the top BPE jack in the
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front of the frame and J01 - Front BPE is the label identifying the end of the same power cord that
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connects to the customer power distribution unit.
v P01 - Back BPE and J01 - Back BPE are the labels identifying the ends of one of the power cords. P01 -
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Back BPE is the label identifying the end of the power cord that connects to the top BPE jack in the
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back of the frame and J01 - Back BPE is the label identifying the end of the same power cord that
|
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connects to the customer power distribution unit.
© Copyright IBM Corp. 2012, 2014
Level 01f
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