Chapter 2 Alarm Message
18:57:30 08/26/2008 UTC alarm 33282 occurred %EPON% Epon
alarm llid-mismatch occour at 6000! sent by NPC 3
Alarm Description
Time-slot is wrong and ONU module doesn’t forward packets in its
own time-slot.
Supported Devices
EPON project of 4822
33283
Message No.
33283
Default Security
Level
5
Alarm Type
"CommunicationAlarm"
NM Level
5
Cause
Detect on local OLT: system mixes ONU version . For example,
use ONU with OAM1.2 and ONU with OAM 2.0 together ( because
ONU must apply the same OAM version in the same system).
Influence
Optical path is abnormal.
Recommended
Operations
Provide the same version for the two ONU modules.
This alarm is called local-stable alarm in EPON project. In default,
this alarm is enabled. If the alarm need to be disabled configure
“alarm local-stable disable” on OLT interface.
Alarm Description
Prototype
"Epon alarm local-stable occour!"
Example:
14:57:30 08/26/2008 UTC alarm 33283 occurred %EPON% Epon
alarm local-stable occour! sent by NPC 3
Alarm Description
Detect on local OLT: system mixes ONU version .
Supported Devices
EPON project of 4822
33284
Message No.
33284
Default Security
Level
5
Alarm Type
"CommunicationAlarm"
NM Level
5
Cause
Detect on remote OLT: system mixes ONU version . For example,
use ONU with OAM1.2 and ONU with OAM 2.0 together ( because
ONU must apply the same OAM version in the same system).
Influence
Optical path is abnormal.
Recommended
Operations
Provide the same version for the two ONU modules.
This alarm is called remote stable alarm in EPON project. In de-
fault, this alarm is enabled. If the alarm need to be disabled con-
figure “alarm remote-stable disable” on OLT interface. This alarm
generates on ONU side and be sent back to OLT.
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