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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).
V5_VCAIS

V5_VCAIS

Description

The V5_VCAIS alarm indicates that bits 5-7 of the V5 byte in the lower order VC-12 path are all "1"s.

Attribute

Alarm Severity Alarm Type

Major

Communication alarm

Parameters

None

Impact on the System

The TU path service transmission on the board is abnormal.

Possible Causes

Possible causes of this alarm are as follows:

  • Cause 1: A hardware fault alarm, such as the PLL_FAIL or CHIP_FAIL alarm, is generated on the upstream board.
  • Cause 2: The alarmed board is faulty.

Procedure

  1. Cause 1: A hardware fault alarm, such as the PLL_FAIL or CHIP_FAIL alarm, is generated on the upstream board.
    1. Check for hardware fault alarms, such as the PLL_FAIL or CHIP_FAIL alarm, on the upstream board. If such an alarm occurs, clear the alarm first.
    2. Check whether the V5_VCAIS alarm is cleared. If the alarm persists, go to 1.
  2. Cause 2: The alarmed board is faulty.
    1. Perform a cold reset on the alarmed board.
    2. Check whether the V5_VCAIS alarm is cleared. If the alarm persists, replace the alarmed board.
    3. Check whether the V5_VCAIS alarm is cleared. If the alarm persists, contact Huawei technical support personnel to handle the alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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