In accordance with the ERTMS/ ETCS specifications, Subset 121, UIC 612 leaflet, ERA_ERTMS_015560 document, EN 50126 and EN 61375 series requirements, this Technical Report describes the Train Display System (TDS) in the driver’s cab, and the link between the TDS/ TDC and some of its interfaces (Blue box and blue links only):

[figure]

Figure 1 - Functional architecture

The scope of this document is to define the functional architecture around the TDC.
This Technical Report excludes the following items:
- Communication protocols (e.g. EN 61375 series)
- Ergonomic aspects
- Interface with ETCS (Subset 121)
- Train functions
- GSM-R EIRENE functions
- Use of the displays as terminals for maintenance purpose.