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  四级通信军士

注册:2010-1-23
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发表于 2011-1-11 09:57:59 |只看该作者 |倒序浏览
近日遇到一个奇怪的故障,中兴C200下挂的F822型ONU经常上报离线告警,密度非常大,但实际上在OLT侧观察ONU在线,并且PING也通,宽带业务时好时坏,但是坏的时候几分钟就能恢复,由于时间太短,又没有时间在OLT上一直观察,所以先将ONU替换掉了,替换以后就没有告警了,而且替换下来的ONU安装到别的地方也不产生告警,测量尾纤光功率-18DB。

告警信息如下:请大家帮忙分析一下是何原因????

An alarm 43016 level 5 occurred at 11:24:16 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:24:14 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on
An alarm 43016 level 5 occurred at 11:24:06 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:24:04 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on
An alarm 43016 level 5 occurred at 11:23:56 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:23:53 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on
An alarm 43016 level 5 occurred at 11:23:48 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:23:46 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on      
An alarm 43016 level 5 occurred at 11:23:41 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:23:39 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on
An alarm 43016 level 5 occurred at 11:23:34 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on
An alarm 43016 level 1 occurred at 11:23:16 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 1
on
An alarm 43016 level 5 occurred at 11:21:31 01/10/2011 UTC  sent by MCP  Epon a
larm OnuOffLine: shelf 0 slot 1 olt 3 onu 2 level 5
on

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