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Alarm of NO BD PARA

Created: Oct 29, 2021 15:16:52Latest reply: Oct 30, 2021 04:54:14 320 5 0 0 0
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Dear All, I wonder why OAU board show NO_BD_PARA alarm on an OSN 6800 NE of version V100R003 for which ALC is configured? thanks you!

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liqiang185
Admin Created Oct 30, 2021 01:13:25

Dear friend!

The NO_BD_PARA is an alarm indicating that the board parameters are not set. This alarm occurs when the system cannot detect the parameter file of the board, which is when the system cannot detect the optical module parameters.

Configuration reference:

https://support.huawei.com/hedex/hdx.do?docid=EDOC1000079093&id=tcp_wdm_fc_0421&lang=en


If the parameters are correctly configured, perform the following steps to troubleshoot the fault:

1. View the NO_BD_PARA alarm on the NCE to confirm the relevant board.

2. Perform a cold reset on the board. Then, check whether the NO_BD_PARA alarm is cleared.

If the services travel through the board are not configured with protection, the services are interrupted after the cold reset of the board.

3. If the alarm persists, replace the faulty board.

Thank you!

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Recommended answer

Unicef
MVE Created Oct 29, 2021 16:09:34

Hi user!

ALC is inappropriately configured. As a result, the computed value of a required parameter exceeds the maximum OAU gain (31 dB). There is a bug in the software processing mechanism. Due to this bug, when an OAU board uses the extended gain, the value of computed pump current exceeds the maximum value. As a result, a critical alarm is reported. When the software computes the drop-wavelength parameter table and the computed turning point current exceeds the rated current value, the rated current value is used as the turning point current value. Impact: This issue is not triggered under normal configurations. If this issue is triggered, there is no impact on services or functions, and the issue can be rectified by modifying configurations. Version in which the issue has been resolved: V100R003C02B028

Thanks!
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user_4396693
user_4396693 Created Oct 30, 2021 04:54:06 (0) (0)
cool  
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Hi user!

ALC is inappropriately configured. As a result, the computed value of a required parameter exceeds the maximum OAU gain (31 dB). There is a bug in the software processing mechanism. Due to this bug, when an OAU board uses the extended gain, the value of computed pump current exceeds the maximum value. As a result, a critical alarm is reported. When the software computes the drop-wavelength parameter table and the computed turning point current exceeds the rated current value, the rated current value is used as the turning point current value. Impact: This issue is not triggered under normal configurations. If this issue is triggered, there is no impact on services or functions, and the issue can be rectified by modifying configurations. Version in which the issue has been resolved: V100R003C02B028

Thanks!
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user_4396693
user_4396693 Created Oct 30, 2021 04:54:06 (0) (0)
cool  

Dear friend!

The NO_BD_PARA is an alarm indicating that the board parameters are not set. This alarm occurs when the system cannot detect the parameter file of the board, which is when the system cannot detect the optical module parameters.

Configuration reference:

https://support.huawei.com/hedex/hdx.do?docid=EDOC1000079093&id=tcp_wdm_fc_0421&lang=en


If the parameters are correctly configured, perform the following steps to troubleshoot the fault:

1. View the NO_BD_PARA alarm on the NCE to confirm the relevant board.

2. Perform a cold reset on the board. Then, check whether the NO_BD_PARA alarm is cleared.

If the services travel through the board are not configured with protection, the services are interrupted after the cold reset of the board.

3. If the alarm persists, replace the faulty board.

Thank you!

View more
  • x
  • convention:

great
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