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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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LCAS_FOPT

LCAS_FOPT

Description

The LCAS_FOPT is an alarm indicating the protocol failure in the LCAS transmit direction.

Attribute

Alarm Severity Alarm Type

Major

Processing 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

Indicates the optical interface number. The value is always 0x01.

Parameter 2, Parameter 3

Indicates the VCTRUNK port number.

Impact on the System

The LCAS protection does not work.

Possible Causes

The possible causes of the LCAS_FOPT alarm are as follows:

  • There is the persistent and unexpected MST due to incorrect configuration or bit errors in the link. For example, the member that transmits the IDLE always receives MST=OK.

Procedure

  1. Check the service configurations of the local and opposite station. Check whether the bound paths of the VCTRUNK are consistent. If any error exists, reconfigure the values.
  2. Check whether the path bound with the VCTRUNK reports SDH alarms. If any alarm is reported, see the handling procedure of the corresponding alarm.

Related Information

None

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Updated: 2019-01-21

Document ID: EDOC1100020975

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