Alarms

NMS interface. Each alarm level has an associated color and icon. The NMS alarms levels (from lowest to highest) are:

Table 3: Alarm Levels and Indicators
IconColorLevelMeaning

 

 

 

 

 

GreenNormalAll functions are working normally.

 

 

 

 

 

YellowWarningAn unusual condition exists that does not affect

 

 

 

normal operation; most likely related to a component

 

 

 

being in a standby state.

 

 

 

 

 

LightMinor AlertAn abnormal condition exists that could affect opera-

 

Orange

 

tion in the future; should be investigated to prevent

 

 

 

escalation.

 

 

 

 

 

DarkMajor Alert

An abnormal condition exists that is currently affecting

 

Orange

 

operation; requires prompt attention to prevent

 

 

 

escalation.

 

 

 

 

 

RedCriticalA critical alert of an abnormal condition that has

 

 

 

stopped normal operation; should be addressed

 

 

 

immediately.

 

 

 

 

 

BlueUnknown /An unknown condition exists that has stopped normal

 

 

Offlineoperation. Requires immediate attention.

 

 

 

 

The “Unknown” alarm level is considered very severe if it is enabled and detected, although it is the last level tested in the alarm monitoring algorithm (Figure 15 on page 27). Most attributes do not enable this level.

Each alarm level has its own icon and color. These icons and colors are used throughout the NMS interface to save you time when analyzing a critical grid situation. Alarm colors and icons accelerate alarm identifi-

cation and resolution by making the alarm source quickly visible on the NMS interface. The System Status icon in the Header frame imme-

diately indicates the most serious alarm level of the grid. The icons on the Network Map indicate the status of each location or node. You can then follow the tree branch to the individual service to find the source of the alarm.

Nodes display the alarm icon of the highest alarm state among their hosted services (Figure 16). Note that each service retains its unique icon, but the color changes to reflect its current alarm state. Component icons and colors, however, remain unchanged regardless of the alarm state.

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