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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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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).
FUSE_ALARM

FUSE_ALARM

Description

The FUSE_ALARM is an alarm indicating output offline. This alarm occurs when the fuse of the CAU board is faulty.

Attribute

Alarm Severity Alarm Type

Critical

Equipment alarm

Parameters

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

The value is always 0x01, and indicates path 1.

Parameter 2, Parameter 3

Indicates the type of the faulty fuse. Parameter 2 is the higher byte, and Parameter 3 is the lower byte.

The value of Parameter 2 is always 0x00. The values of Parameter 3 are as follows:

  • 0x01: Battery fuse
  • 0x02: Battery discharge
  • 0x03: Load fuse 1
  • 0x04: Load fuse 2

Parameter 4, Parameter 5

Parameter 4 is the higher byte, and Parameter 5 is the lower byte.

The value of Parameter 4 is always 0x00. The value of Parameter 5 is always 0x01, and indicates open circuits.

Impact on the System

The FUSE_ALARM alarm affects the power supply of the system. It may cause power failure to the NE.

Possible Causes

The possible causes of the FUSE_ALARM alarm are as follows:

  • Cause 1: The UPM is not in position.
  • Cause 2: The fuse of the UPM is faulty.
  • Cause 3: The load fuse is faulty.

Procedure

  1. View the FUSE_ALARM alarm on the U2000. Confirm the type of the faulty load fuse according to Parameter 3.
    • If the battery fuse is faulty, replace the fuse. Then, check whether the FUSE_ALARM alarm is cleared.
    • If the load fuse 1 is faulty, replace the fuse. Then, check whether the FUSE_ALARM alarm is cleared.
    • If the load fuse 2 is faulty, replace the fuse. Then, check whether the FUSE_ALARM alarm is cleared.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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