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X6800 Server V100R003 User Guide 13

This document describes the Huawei X6800 server (X6000 for short) in terms of its appearance, features, specifications, system components, device installation, cable connections, and installation verification.
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Connecting a 56G IB Cable

Connecting a 56G IB Cable

Operation Scenario

  • A 56G network needs to be set up.
  • One or more optical fibers or QSFP+ cables are not properly connected.
  • The existing optical fibers or QSFP+ cables are not long enough after a network device is replaced or migrated.


  1. Precautions

    The new and old cables must be of the same model or be compatible.

  2. Preparations for installation
    • The network plan is complete.
    • A spare cable is available and placed near the server.
  3. Tools
    • Phillips screwdriver: used to tighten screws.
    • ESD wrist strap or ESD gloves: used to prevent ESD damage.


  1. Check the model of the new network.
  2. Number the new cable.

    • The new cable must have the same number as the old one.
    • Use the same type of labels for optical fibers. Record the name and number of the local device to be connected on one side of an optical fiber and those of the peer device on the other side. Attach a label 2 cm (0.79 in.) away from the end of a network cable.

  3. Lay out the new cable.

    Lay out the new cable in the same way as the old one. Note the following points:

    • Lay out optical fibers or QSFP+ cables in the rack by observing installation regulations. You are advised to arrange cables in the original way. Ensure that cables are routed neatly and intact.
    • Separate optical fibers or QSFP+ cables from power and signal cables when laying out the cables.
    • Bend optical fiber or QSFP+ cables with a bending radius of at least 4 cm (1.57 in.) to prevent damage to core wires. Lay out optical fibers or QSFP+ cables for easy maintenance and capacity expansion.
    • Bind optical fibers with cable ties. Ensure that optical fibers are routed straightly and bound neatly and that cable ties are installed at even spacing and in the same direction.

  4. Replace the cable.

    1. Remove the old 56G IB cable.

      Release the latch and remove the cable. See Figure 3-25.

      Figure 3-25 Removing a 56G IB cable

    2. Connect to a new 56G IB cable.

      Remove the dust-proof cap on the port, and insert the cable connector into the port. See Figure 3-26.


    When you hear a "click" and the cable cannot be pulled out, the connector is secured.

    Figure 3-26 Connecting a 56G IB cable

  5. Check that the new cable is properly connected.

    Power on the server. If the LOM indicator is green, the cable is properly connected.

  6. Bind the new optical fiber.

    Bind the new optical fiber in the same way as existing optical fibers. You can also remove all cable ties and bind all of the optical fibers again if necessary.

Updated: 2018-09-06

Document ID: EDOC1000066339

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