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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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Installing a DC PSU

Installing a DC PSU

Install a DC power supply unit (PSU) to replace the original one.

A DC PSU needs to be added to improve reliability when the 5288 V3 is configured with only one DC PSU.


  1. Wear an ESD wrist strap. For details, see Safety Instructions.
  2. Remove the PSU to be replaced. For details, see Removing a DC PSU.
  3. Take the spare DC PSU out of its ESD bag.
  4. Push the spare DC PSU along the guide rails into a slot (for example, slot 1) until you hear a sound.

    The PSU latch snaps in so that the PSU does not move. See Figure 7-21.

    Figure 7-21 Installing a DC PSU

  5. Connect the power cable to the wiring terminal on the PSU until the power cables are latched. See Figure 7-22.

    • Connect the OT terminal on the negative power cable to the NEG(-) wiring terminal on the PSU.
    • Connect the OT terminal on the positive power cable to the RTN(+) wiring terminal on the PSU.
    • Connect the OT terminal on the ground cable to the ground terminal on the PSU.
    Figure 7-22 Connecting power cables to a DC PSU

Updated: 2018-11-26

Document ID: EDOC1000080031

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