5. Separate Standing Alarm and Change of State (COS) Alarm lists: A Standing Alarm list displays all alarms that are currently uncorrected. A Change of State (COS) Alarm list displays all new events that happen in your network, including alarm points that go into an alarm state and alarm points that are cleared. If your alarm master supports both kinds of view, you have the quickest and most accurate picture of your network's current status.
6. Nuisance alarm filtering: Your equipment might generate a lot of alarms that are merely status reports that require no corrective action. These are nuisance alarms, and they're more dangerous than you might think. Nuisance alarms desensitize your monitoring staff to alarm reports, and they start to believe that all alarms are nonessential alarms. Eventually, they stop responding even to critical alarms. Look for an alarm system with tools to filter out nuisance alarms.
7. Expansion capability: An alarm system is a long-term investment that will last for as long as 10 to 15 years. So you need an alarm system that will support your future growth for up to 15 years. In that time your network is going to grow in size, you're going to add new kinds of equipment, and you're going to need new alarm monitoring capabilities. Make sure your alarm master can grow and change with your network.
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