silent_and_audible_alarm_data

This data flow is used by the Manage Silent Alarms function to forward emergency calls and emergency data from travelers (including users of the transit system), and transit vehicle operators to another process where it is then distributed. It contains the following data items, each of which is contained in its own DDE:

traveler_alarm_request
+ secure_transit_vehicle_alarm_request
+ time


Sub Data Flows

Parent Data Flows

Associated PSpecs/Terminators