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FusionStorage OBS 7.0 Hardware Installation Guide 07

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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).
Installing a PGND Cable and Power Cable for a CE5855 Switch

Installing a PGND Cable and Power Cable for a CE5855 Switch

With a PGND cable and power cable installed, the CE5855 switch can be securely grounded and power supplied.


  • A PDU for the Huawei cabinet or a power distribution device for the third-party cabinet has been prepared.
  • All required tools have been prepared, containing Phillips screwdrivers, cable ties, diagonal pliers, and ESD gloves or an ESD wrist strap.
  • Operations described in Installing a GE Switch have been completed.
  • One end of a PGND cable has been secured to the ground terminal on the side of a CE5855 switch.


For details about power distribution of intra-cabinet components, see Typical Configurations.


  1. Wear an ESD wrist strap or ESD gloves.
  2. Verify that the PGND cable is connected to the ground terminal on one side of the switch.
  3. Connect the PGND cable to the cabinet.

    1. Adjust the length of the PGND cable by wrapping it into circles according to the distance to the ground terminal on the ground bar of the cabinet. Use a cable tie to bind the circles and diagonal pliers to trim off the excess of the cable tie, as shown in Figure 9-17.
      Figure 9-17 Laying out and binding a PGND cable
    2. Use a Phillips screwdriver to unfasten the M6 screw that is used to secure the PGND cable.
    3. Use the Phillips screwdriver to secure one end of the PGND cable to the ground terminal of the ground bar, as shown in Figure 9-18.
    Figure 9-18 Securing a PGND cable

  4. Connect a power cable to the switch.

    1. Insert one end of the power cable to the corresponding port on the CE5855 switch, as shown in Figure 9-19.
      Figure 9-19 Inserting a power cable to the power port on the CE5855 switch
    2. Connect the other end of the power cable to the power port of the immediately adjacent PDU and then lock it up, as shown in Figure 9-20.

    To ensure that devices can operate stably, connect power cables on a device supplied by two power modules to separate PDUs.

    Figure 9-20 Connecting a power cable to a PDU port

  5. Arrange and bind power cables.
Updated: 2020-01-03

Document ID: EDOC1100051333

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