High level sequence diagram

The following scenario is used for the analysis:
  • The event occurs before the timeout is breached
  • The timeout is breached and the event subsequently occurs
  • The timeout is breached and the operator clears the alert.

The following figure shows a high level summary of the event occurring before the time limit has passed.

Figure 1. Event occurs before the timeout is breached
schexpeventWithinTimeout.jpg

The following figure shows a high level summary the event occurring after the time limit has passed.

Figure 2. Event occurs after the time limit has passed
schexpTimeoutBreachedEventOccurs.jpg

The following figure shows a high level summary of the operator clearing the raised alert.

Figure 3. Operator clearing the raised alert
schexpTimeoutBreachedOperatorClear.jpg