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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
What Are Differences Between PM and PEM?

What Are Differences Between PM and PEM?

Differences between PM and PEM are:

  • A PM is a power module used to supply power to the equipment. Figure 22-24 shows the appearance of a PM.

    Figure 22-24 PM appearance
  • A PEM is the power entry module on the chassis, an iron frame that provides power inputs to PMs and provides other functions such as wave filtering. Generally, a PEM is included in the chassis sales part. Figure 22-25 shows the appearance of a PEM.

    Figure 22-25 PEM appearance
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Updated: 2020-01-07

Document ID: EDOC1000060766

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