Service Effect; States; Table 1-12 Far-End Alarm Hierarchy - Cisco ONS 15310-CL Troubleshooting Manual

Chapter 1 Alarm Troubleshooting
Table 1-11
Priority
—
—
—
—
Lowest
1. Although it is not defined as a defect or failure, all-ones STS pointer relay is also
2. LOP-P is also higher priority than the far-end failure RFI-P, which does not affect
The far-end failure alarm hierarchy is shown in
Table 1-12
Priority
Highest
—
Lowest

1.5.5 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.

1.5.6 States

The State column on the Alarms or History tabs indicates the disposition of the alarm or condition as
follows:
•
•
•
78-17235-01
Near-End Alarm Hierarchy
higher priority than LOP-P. Similarly, all-ones VT pointer relay is higher priority
than LOP-V.
the 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A cleared (C) event is one that is no longer active.
A transient (T) event is one that is automatically raised and cleared in CTC during system changes
such as user login, logout, loss of connection to node view, etc. Transient events do not require user
action. These are listed in
Condition Type
1
AIS-V
2
LOP-V
UNEQ-V
PLM-V
DS-N AIS (if reported for
outgoing DS-N signals)
Table 1-12, as given in Telcordia GR-253-CORE.
Condition Type
RFI-L
RFI-P
RFI-V
Chapter 1, "Transient Conditions."
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1.5.5 Service Effect
1-17