barrier_safeguard_activation_request_from_operator
This data flow is used within the Manage Emergency Services function to request activation of a barrier system (gates and other automated systems for roadway entry control) or safeguard system (e.g. blast shields and other automated equipment used to mitigate the impact of incidents on transportation infrastructure). It consists of the following data items each of which is defined in its own DDE:
list_size + list_size{station_id
+ device_identity
+ barrier_system_control_request
+ safeguard_system_control_request}
Sub Data Flows
- barrier_system_control_request
- device_identity
- list_size
- safeguard_system_control_request
- station_id
Parent Data Flows
- None
Associated PSpecs/Terminators