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5288 V3 Server V100R003 User Guide 26

This document describes the features, appearance, and technical specifications of the 5288 V3 server, and how to install, power on, and power off the 5288 V3 server, connect cables, and install an operating system (OS) for it.
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Removing a DC PSU

Removing a DC PSU

Remove a DC power supply unit (PSU) before replacing it with a new one.

Before removing one PSU when two PSUs are configured, ensure that the other PSU is operating properly and supplies power higher than or equal to the power rating of the 5288 V3, and you do not need to power off the server.

Observe the PSU indicators to check the PSU operating status. For details about the indicators, see Indicators and Buttons.


  1. Wear an ESD wrist strap. For details, see Safety Instructions.
  2. Determine the rack number and chassis number of the server to be removed, and label its panel to prevent misoperations.
  3. Hold down the spring below the power cable using a flat-head screwdriver to eject the power cable. See Figure 7-16.

    Figure 7-16 Removing power cables

  4. Hold down the latch on the PSU, and pull out part of the PSU by holding the handle. See step (1) in Figure 7-17.

    Figure 7-17 Removing a PSU

  5. Remove the PSU from the slot. See step (2) in Figure 7-17.
Updated: 2018-11-26

Document ID: EDOC1000080031

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