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TP48200A-DT19D1 Telecom Power User Manual

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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).
Replacing an SMU

Replacing an SMU


  • The cabinet door key is available.
  • The new SMU is intact.


  1. Push the locking latch towards the left.
  2. Pull the handle outwards and remove the SMU, as shown in Figure 4-3.

    Figure 4-3 Removing an SMU

  3. Insert the new SMU into the subrack, push the locking latch towards the left, and pull out the handle.
  4. Slide the SMU into the subrack slowly along the guide rails, push in the handle, and then push the locking latch towards the right.
  5. Reset the parameters on the SMU.

    Figure 4-4 Installing an SMU

Follow-up Procedure

Pack the removed component and send it to the local Huawei warehouse.

Updated: 2019-11-27

Document ID: EDOC1000078784

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