ACT Indicator on an NE80E Ethernet Switching Board Failed to Turn On Because of

Latest reply: Feb 17, 2016 10:35:22 1143 1 0 0
The following symptoms were observed:

1. The ACT indicator on the Ethernet switching board in slot 22 was off.

2. The connection between slot 22 and slot 16 (housing a service board) was in "close" state, while the connection to a slot housing a board should indicate "open".



<CHZ_CJL_NE80E>display switch-port sfu 22

The SFU channels status :

   Slot:    InputChannel:  Status:   OutputChannel:  Status:    

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    22           0         Open            0         Open       

    22           1         Close           1         Close      

    22           2         Close           2         Close      

    22           3         Open            3         Open       

    22           4         Open            4         Open       

    22          5         Close           5         Close      

    22           6         Close           6         Close      

    22           7        Open            7         Open       

    22           8         Close           8         Close      

    22           9         Close           9         Close      

    22           10         Open           10         Open       

    22           11         Open           11         Open       

    22          12         Close           12         Close      

    22           13         Close           13         Close     

    22           14         Close           14         Close   

     22          15        Close            15         Close  
  • x
  • convention:

yolanda_turner Created Feb 17, 2016 10:35:22 Helpful(0) Helpful(0)

Handling Process

Huawei performed the following operations to address the issue:

1. Replaced the Ethernet switching boar, but the symptoms persisted.

2. Replaced the service board in slot 16, but the symptoms persisted.

3. Inserted the service board in slot 16 into slot 15, and the issue was resolved. Root Cause

The bent pins on the backplane corresponding to slot 16 affected the normal communication between slot 16 and slot 22. Solution

Huawei replaced the backplane. Suggestions

Ensure that the connection parts are normal before you insert a board.

  • x
  • convention:

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