Overview

This Function shall be capable of providing the following facilities:

(1) A HMI to enable the PT Vehicle Driver to provide information about the date, time and route that the PT Vehicle is operating so that any fare information that is obtained is relevant.
(2) The HMI shall also enable through which the PT Vehicle Driver can be provided with a display of the fares that are applicable to the current route being operated by the PT Vehicle.
(3) The ability to obtain the most up to date fare information from the store of Fare Schemes Data through the Manage Fare Schemes Data Store function whenever the Driver makes a request.

Functional Requirements

(a) continuously monitor for the receipt of the request fares data flow from the PT driver and the results of fare transaction from the Vehicle Fare Credit for Journey function
(b) when the first data flow in (a) is received, send the PT driver request for fare scheme data flow to the Manage Fare Scheme Data Store function
(c) as a result of (b) monitor for receipt of the fare scheme for PT driver data flow
(d) when the data flow in (c) arrives, output its contents to the PT driver in the display fares data flow
(e) when the second data flow in (a) is received, output its contents to the PT driver in the fare transaction result data flow.

Diagrams

Parent Higher Level Function

• 4.5 Provide PT Fare Facilities

Input logical dataflows

• fd.ptv-request_fares
• mpto_fare_scheme_for_PT_driver
• mpto_result_of_fare_transaction

Output logical dataflows

• mpto_PT_driver_request_for_fare_scheme
• td.ptd-display_fares
• td.ptd-fare_transaction_result

User needs