Architecture Flow Definitions

alarm acknowledge  (Future)  Applicable ITS Standards

Confirmation that alarm was received, instructions and additional information for the alarm initiator, and requests for additional information.

alarm notification  (Future)  Applicable ITS Standards

Notification of activation of an audible or silent alarm by a traveler in a public area or by a transit vehicle operator using an on–board device.

secure area surveillance control  (Existing)  Applicable ITS Standards

Information used to configure and control audio and video surveillance systems used for transportation infrastructure security in secure areas. The provided information controls surveillance data collection, aggregation, filtering, and other local processing.

secure area surveillance data  (Existing)  Applicable ITS Standards

Data collected from surveillance systems used to monitor secure areas. Includes video, audio, processed surveillance data, equipment operational status, and alarm indicators when a threat has been detected.