Low Level Function
2.2.2 Manage Stolen Vehicle Emergency Services Interface

Overview

This Function shall be capable of providing the following facilities:

(1) An appropriate link to communicate to the Emergency Services the notification that a Vehicle has been stolen has been received.
(2) The ability for the link to provide some form of alarm indication to draw the attention of the Emergency Services to the fact that a Vehicle has been stolen.
(3) An appropriate link to communicate to the Emergency Services the notification that the stolen notification for a Vehicle has been cancelled, with again some form of alarm indication to draw the attention to the new status.

Functional Requirements

(a) continuously monitor for the receipt of the stolen vehicle data for emergency services data flow
(b) when the data flow in (a) is received, send the data it contains to the emergency services in the stolen vehicle information data flow
(c) provide some form of alarm indication for the emergency system when the data in (b) is sent.

Diagrams

The Diagram(s) is (are) the diagram(s) where you can find the function :
  • DFD 2.2 Manage Stolen Vehicle Reporting
  • Functional Tree of Area 2

    • Parent Higher Level Function

    Input logical dataflows

    Output logical dataflows

    User needs

    Number

    Description

    5.1.1.4
    The system shall be able to provide the location of a vehicle when it has been stolen and/or to indicate when it passes a certain point.