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NE40E V800R010C10SPC500 Commissioning Guide

This is NE40E V800R010C10SPC500 Commissioning Guide
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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).
Checking the Voltage of Each Board

Checking the Voltage of Each Board

You need to check the voltage of each board.

Prerequisites

Procedure

  1. Run the display voltage [ lpu | mpu | sfu ] [ slot slot-id ] command to view the status of the voltage sensor on each board.

    <HUAWEI> display voltage slot 1
    Base-Board, Unit:V, Slot1
    -------------------------------------------------------------------------------
    PCB       I2C Addr Chl Status  Require MajorL FatalL MajorH FatalH Vlt(V) ratio
    --------------------------------------------------------------------------------
    LPUF240A  4   0    4   NORMAL    0.90    0.80   0.75   1.00   1.05   0.92  1.00 
    LPUF240A  5   0    5   NORMAL    0.75    0.65   0.60   0.85   0.90   0.76  1.00 
    LPUF240A  6   0    6   NORMAL    1.00    0.93   0.90   1.07   1.10   1.01  1.00 
    LPUF240A  9   0    9   NORMAL    0.90    0.84   0.81   0.96   0.99   0.91  1.00 
    LPUF240A  10  0    10  NORMAL    3.30    3.06   2.98   3.54   3.64   3.36  0.50 
    LPUF240A  13  0    13  NORMAL    0.75    0.65   0.60   0.85   0.90   0.76  1.00 
    LPUF240A  14  0    14  NORMAL    3.30    3.06   2.98   3.54   3.64   3.36  0.50 
    LPUF240A  15  0    15  NORMAL    5.00    4.20   3.79   5.79   6.20   4.86  0.43 
    LBXFB     3   43   0   NORMAL    3.30    3.06   2.98   3.54   3.64   3.34  0.50 
    LBXFB     3   43   1   NORMAL    1.80    1.67   1.62   1.93   1.98   1.85  1.00 
    LBXFB     3   43   2   NORMAL    1.20    1.12   1.08   1.28   1.32   1.20  1.00 
    LBXFB     3   43   3   NORMAL    1.00    0.93   0.90   1.07   1.10   1.00  1.00 
    LBXFB     3   43   4   NORMAL    12.00   10.00  9.00   13.00  14.00  11.41 0.17 
    --------------------------------------------------------------------------------

    Pay attention to the values of the fields displayed in boldface. The Require field indicates the ideal voltage. The Vlt field indicates the current voltage. The MajorL field indicates the threshold of a low voltage for a minor alarm. If the voltage is below this threshold, a minor alarm will be generated. The FatalL field indicates the threshold of a low voltage for a critical alarm. If the voltage is below this threshold, the NE40E may work abnormally or be damaged. The MajorH field indicates the threshold of a high voltage for a minor alarm. If the voltage is higher than this threshold, a minor alarm will be generated. The FatalH field indicates the threshold of a high voltage for a critical alarm. If the voltage is higher than this threshold, the NE40E may work abnormally or be damaged.

    If the displayed value of the Vlt field is between the value of the MajorL field and the value of the MajorH field, the board voltage is normal. Then, go on with the subsequent commissioning.

Troubleshooting

If the board voltage is below the lower voltage threshold, perform the following operations:

  1. Check that the voltage of power supply is sufficient.

  2. Replace the board and check that the board voltage increases above the lower voltage threshold.

  3. If the fault persists after the preceding operations are complete, contact Huawei technical support personnel.

If the board voltage is higher than the upper voltage threshold, perform the following operations:

  1. Replace the board and check that the board voltage drops below the upper voltage threshold.

  2. If the fault persists after the preceding operations are complete, contact Huawei technical support personnel.

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Updated: 2019-01-02

Document ID: EDOC1100055014

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