Table 2-11 Near-End Alarm Hierarchy; Table 2-12 Far-End Alarm Hierarchy - Cisco ONS 15454 Troubleshooting Manual

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2.5.5 Service Effect
Table 2-11
Priority
Highest
Lowest
1. Although it is not defined as a defect or failure, all-ones STS pointer relay is also higher
2. LOP-P is also higher priority than the far-end failure RFI-P, which does not affect the
The far-end failure alarm hierarchy is shown in
Table 2-12
Priority
Highest
Lowest
2.5.5 Service Effect
Service-Affecting (SA) alarms—those that interrupt service—could be Critical (CR), Major (MJ), or
Minor (MN) severity alarms. Service-Affecting (SA) alarms indicate service is affected.
Non-Service-Affecting (NSA) alarms always have a Minor (MN) default severity.
2.5.6 States
The Alarms or History tab State (ST) column indicate the disposition of the alarm or condition as
follows:
Cisco ONS 15454 Troubleshooting Guide, R8.5
2-34
Near-End Alarm Hierarchy
priority than LOP-P. Similarly, all-ones VT pointer relay is higher priority than LOP-V.
detection of any near-end failures. Similarly, LOP-V is higher priority than RFI-V.
Far-End Alarm Hierarchy
A raised (R) event is one that is active.
A cleared (C) event is one that is no longer active.
Condition Type
LOS
LOF
AIS-L
1
AIS-P
2
LOP-P
UNEQ-P
TIM-P
PLM-P
1
AIS-V
2
LOP-V
UNEQ-V
PLM-V
DS-N AIS (if reported for outgoing
DS-N signals)
Table
2-12, as given in Telcordia GR-253-CORE.
Condition Type
RFI-L
RFI-P
RFI-V
Chapter 2
Alarm Troubleshooting
November 2009

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