neAlarmTable represents all the possible alarms on the NE, stating the probable cause, the alarm type and the perceived severity as per [X.733]. Note that each entry is significant until neAlarmIsApplicable is applicable(1). Entries should never be removed unless the NE they refer to disconnected NEs. To invalidate an entry the Agent sets neAlarmIsApplicable to notApplicable(0). before invalidating the entry, the agent sets the neAlarmPerceivedSeverity to cleared.