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secure_transit_vehicle_alarm_request (Data Flow*)

This data flow is sent from the traveler (including users of the transit system) or transit vehicle operator on-board a transit vehicle to the Manage Emergency Services function and includes a silent or audible alarm request for emergency assistance. The data flow contains the following data items each of which is defined in its own DDE: date + time + transit_vehicle_operator_personal_emergency_request + traveler_personal_emergency_request_for_transit

Sub Data Flows

• date
• time
• transit_vehicle_operator_personal_emergency_request
• traveler_personal_emergency_request_for_transit

Parent Data Flows

• silent_and_audible_alarm_data
• silent_and_audible_alarm_request

Pspecs*

• 5.1.7.3.5-Manage Secure Vehicle Emergencies--Out (trvs)
• 5.1.7.4-Manage Alarms--In (em)

Parent Architecture Flows:

• alarm notification