silent_and_audible_alarm_acknowledge

This data flow is used within the Manage Emergency Services function to confirm that the request for emergency assistance previously sent to the center personnel by a traveler or transit vehicle operator has been received. The traveler may be on-board a transit vehicle or at a transit stop, rest area, park and ride lot, modal interchange facility, etc. The data flow contains the following data items each of which is defined in its own DDE:

confirmation_flag

Sub Data Flows

• confirmation_flag

Parent Data Flows

• None

Associated PSpecs/Terminators

• 5.1.1.4.6 - Provide Operator Interface for Security
• 5.1.7.4 - Manage Alarms