User requirements

Functional requirements

describes the identified high level requirements that specify the complete set of functionalities for the whole system, both from the point of view of the user and from the system.

Performance requirements

specifies how several of the previous requirements will be developed in terms of accuracy, delays, tolerable errors, etc. The behaviour of the system will be described.

Interface requirements

defines at a high level those lines of contact for the system with the external entities. In this section a general description of interface and functionalities of the HMI is also described.

Operational requirements

defines those requirements that affect the whole system and impact on the mission of the system.

Installation requirements

defines some requirements specifics in terms of how and where the system has to be installed.

Alarms and alerts of the Freedom Box system

provides a summary of the alerts and alarms currently identified together with the actions to be performed buy the train driver and the train behaviour.