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Power Shelf Management Module Replacement#

This topic describes how to replace a power shelf management module in an NVIDIA DGX VR NVL72 system.

Power Shelf Management Module Replacement Overview#

  1. Identify the failed management module.

  2. Unpack the new management module.

  3. Remove the failed management module.

  4. Insert the new management module.

  5. Update the management module firmware, if needed.

  6. Check the status of the new management module.

Identify the Failed Power Shelf Management Module#

  1. Identify the failed management module by its amber LED.

    Rack and power-shelf views with numbered shelves and power-supply positions

  2. Unpack the new management module and record the MAC address on the power shelf pull tab. The MAC address on the pull tab must match the MAC address on the power shelf management module.

    Power shelf pull tab with the MAC address label

Replace the Power Shelf Management Module#

The power supplies continue to operate during management module replacement.

  1. Unplug the network management cable.

  2. Push the panel above the module inward and press down on the release mechanism.

    Network management cable and release mechanism on the power shelf management module

  3. Pull the management module all the way out and insert the new module until it locks in place. You should hear a click when it locks.

    Power shelf management module pulled out of the power shelf

Finalize the Replacement Procedure#

  1. Update the management module firmware, if needed.

  2. Confirm with the system administrator that the module is up and running as expected.