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E9000 Server V100R001 User Guide 24

This document describes the overview, functions, structure, installation, and configuration methods of the E9000.
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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 the PGND Cable and Power Cables

Installing the PGND Cable and Power Cables

  • To ensure personal and equipment safety, use the recommended power cables.
  • Power cables can be used only for dedicated server devices, and cannot be used for any other devices.

Workflow

Figure 3-43 Process

Procedure

  1. Determine where to connect the PGND cable and power cables.

    A maximum of six PSUs can be installed in an E9000 chassis. Figure 3-44 shows the positions of the socket of PSU 1 and chassis ground terminal.
    Figure 3-44 Ground terminal and power supply sockets

    1

    Power supply socket

    2

    Ground terminal

  2. (Optional) Install and bind the PGND cable.

    NOTE:
    • If AC or HVDC power supplies are used, the PSU is grounded through the PE connector of the power cable. The ground terminal of the chassis must also be grounded. The server is not delivered with a chassis ground cable. Obtain a chassis ground cable based on actual requirements.
    • If DC power supplies are used, the PSU ground terminal and the chassis ground terminal must be grounded. The server is not delivered with a chassis ground cable. Obtain a chassis ground cable based on actual requirements.
    1. Use a Phillips screwdriver to remove the two M6 screws from the ground terminal on the E9000 chassis. See (1) in Figure 3-45.
      Figure 3-45 Fastening the PGND cable
    2. Use a Phillips screwdriver to fasten one end of the PGND cable to the ground terminal on the E9000 chassis. See (2) in Figure 3-45.
      NOTE:

      The cross-sectional area of the PGND cable is greater than or equal to 16 mm2 (0.025 in.2).

    3. Coil the PGND cable based on the distance between ground terminal on the chassis and that on the earthing strip of the cabinet, and bind the cable with cable ties. Then, use diagonal pliers to trim off the excess ends of cable ties so that there are no rough edges.
      Figure 3-46 Laying out and binding the PGND cable
    4. Remove the cut-off ends of the cable ties from the cabinet.
    5. Use a Phillips screwdriver to remove the M6 screw on the earthing strip of the cabinet.
    6. Use a Phillips screwdriver to fasten the other end of the PGND cable to the ground terminal on the earthing strip.
      Figure 3-47 Fastening the PGND cable

  3. Install power cables.

    1. Check the power supply type.
      • If the AC power supply is used, go to 3.b.
      • If the DC power supply is used, go to 3.c.
      NOTE:
      • Do not connect multiple PSUs to one air switch.
      • The breaking current for the air switch is 80 A (DC) or 16 A (AC).
      • The cross-sectional area of an AC power cable is greater than or equal to 2.5 mm2 (0.004 in.2).
      • The cross-sectional area of a DC power cable is greater than or equal to 16 mm2 (0.025 in.2).
    2. Insert the power cables into the AC PSU sockets on the chassis.
      Figure 3-48 Installing an AC power cable

      Go to 3.f after 3.b is finished.

    3. Remove the electrode protection cover of the DC PSU.
      Figure 3-49 Removing the electrode protection cover
    4. Connect the O type terminals of the negative electrode to the NEG(–) wiring terminal of the DC PSU, and the O type terminals of the positive electrode to the RTN(+) wiring terminal of the DC PSU. See (1) in Figure 3-50.

      Do not reversely install the power cable.

      Figure 3-50 Installing a DC power cable
    5. Install the electrode protection cover of the DC PSU. See (2) in Figure 3-50.
    6. Connect the other end of the power cable to the PDU according to the power cable connection guidelines.

  4. Lay out and bind power cables.

    The Ethernet signal cables connecting cabinets do not support electromagnetic shielding (EMS). According to EMC requirements, the distance between the power cables and signal cables must be at least 100 mm (3.94 in.).

    1. Lay out the power cables neatly along the cable organizers, bind the power cables using cable ties, and use diagonal pliers to trim off the excess ends of cable ties so that there are no rough edges.
      Figure 3-51 Laying out and binding power cables
    2. Remove the cut-off ends of the cable ties from the cabinet.

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Updated: 2019-08-30

Document ID: EDOC1000015897

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