No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

Rate and give feedback:
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).



The RELAY_ALARM_CRITICAL alarm indicates critical alarm inputs. This alarm occurs when the user sets the severity of an available alarm input to critical and some critical alarms are input.


Alarm Severity Alarm Type


Equipment alarm


When you view an alarm on the network management system, select the alarm. In the Alarm Details field display the related parameters of the alarm. The alarm parameters are in the following format: Alarm Parameters (hex): parameter1 parameter2...parameterN. For details about each parameter, refer to the following table.

Name Meaning

Parameter 1

Indicates the number of the alarm input.

Impact on the System

The RELAY_ALARM_CRITICAL alarm does not affect the operation of the system control, switching, and timing board or the services on the NE.

Possible Causes

The possible cause of the RELAY_ALARM_CRITICAL alarm is as follows:

  • There is a critical alarm input.


  1. View the RELAY_ALARM_CRITICAL alarm on the U2000. Confirm the number of the alarm input according to Parameter 1.
  2. Cut off the alarm input. Then the RELAY_ALARM_CRITICAL alarm is automatically cleared.

Related Information


Updated: 2019-01-21

Document ID: EDOC1100020975

Views: 75824

Downloads: 138

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next