5-15 Alarm ConfigurationIntroduction to AlarmSampling and AlarmsSampling means the system retrieves statistics data at the sampling intervalAt the alarm monitor interval, the system samples the alarm variables and will trigger an alarm if thevalue of a variable exceeds its alarm threshold. Alarm information can be output to the networkmanagement system or alarm buffer by configuring the information center.The alarms can be global alarms, OLT port alarms, or ONU port alarms.z When an alarm configuration command is executed in FTTH view, the command takes effect on allthe OLT ports and all the ONUs attached to the OLT ports.z When an alarm configuration command is executed in OLT port view, the command takes effect onthe current OLT port and all the ONUs attached to the OLT port.z When an alarm configuration command is executed in ONU port view, the command takes effectonly on the ONU corresponding to the current ONU port.Alarm Configuration Task ListComplete the following tasks to configure alarms:Task RemarksEnabling Alarm Monitoring OptionalConfiguring Global Alarms OptionalConfiguring Alarms on an OLT Port OptionalAlarmconfigurationConfiguring Alarms on an ONU Port OptionalDisplaying and Maintaining Alarm Configurations OptionalEnabling Alarm MonitoringAlarm monitoring function takes effect only when statistics sampling function is enabled. This isbecause no alarm information can be generated without the average value of sampled statistics.Follow these steps to enabling sampling and alarm monitoring function:To do... Use the command... RemarksEnter system view system-view —Enter FTTH view ftth —
