ZXR10 Alarm Handling Manual
33291
Message No.
33291
Default Security
Level
5
Alarm Type
"CommunicationAlarm"
NM Level
5
Cause
The total number of ONU that connects with OLT in downstream
exceeds the specification that system supports.
Influence
EPON device can't run normally for overloading.
Recommended
Operations
Limit the number of ONU connections under OLT to 32.
This alarm is called onu over limitation alarm in EPON project. In
default, this alarm is enabled. If the alarm need to be disabled
configure “alarm onu-over-limitation disable” on OLT interface.
Alarm Description
Prototype
"Epon alarm onu-over-limitation occour!"
Example:
14:57:30 08/26/2008 UTC alarm 33291 occurred %EPON% Epon
alarm onu-over-limitation occour! sent by NPC 3
Alarm Description
The number of ONU devices connected to OLT in downstream ex-
ceeds 32.
Supported Devices
EPON project of 4822
33292
Message No.
33292
Default Security
Level
5
Alarm Type
"CommunicationAlarm"
NM Level
4
Cause
Optical power in upstream that OLT receives from a ONU is too low
(lower than OLT sensitivity upper limit ) or too high (higher than
OLT overload optical power lower limit).
Influence
The optical path is abnormal.
Recommended
Operations
Test optical power.
Alarm Description
Prototype
"Epon alarm optical-power-overflow occour!"
"Epon alarm optical-power-overflow recover!"
Example:
10:57:30 08/26/2008 UTC alarm 33292 occurred %EPON% Epon
alarm optical-power-overflow occour! sent by NPC 3
Alarm recovery
10:58:10 08/26/2008 UTC alarm 33292 cleared %EPON% Epon
alarm optical-power-overflow recover! sent by NPC 3
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