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Knowledge Base

The board temperature is too high caused NE reports DBSYNC_FAIL alarm intermittently

Publication Date:  2019-07-09  |   Views:  211  |   Downloads:  1  |   Author:  00135981baobingfang  |   Document ID:  EKB0000513824


Issue Description

One site some times report DBSYNC_FAIL(See attachment);
NE type: OSN1500;  NE version:
Customer did nothing on this NE and alarm disappear

Alarm Information


Handling Process

1, Check two GSCC version and find their the same
2, If the boards had problem, the alarms should report always, not intermittent;
3,Check the alarms:
We find TEMP_OVER and COMMUN_FAIL also report almost at the same time(See attachment);
4, Ask engineer to check the fan onsite and find the air filter is too dusty; After it's cleaned and alarm not reported again

Root Cause

Possible reasons:

1,Two GSCC with different version
2, Any backup fault may result in the DBSYNC_FAILalarm
3, External environment


The air filter should be cleaned periodically and should keep equipment work in normal temperature;