1 Scope
This part of IEC 62580 specifies the general architecture of the On-board Multimedia and TelematicSubsystem, which includes four categories of multimedia and telematicsubsystems identified as:
| A | Video surveillance/CCTV |
| B | Driver and crew orientated services |
| C | Passenger orientated services |
| D | Train operator and maintainer orientated services |
This part establishes:
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• the boundary between the OMTS and the on-board communicationsystem, as described by the IEC 61375 series
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• the methodology to describe an OMTS in terms of abstract model
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• the general principles and the basic requirements to specify the services provided/needed by each category
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• the approach to ensure interoperability between services
This part gives guidelines for:
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• OMTS classification
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• functional breakdown structuring
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• system breakdown structuring
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• formal specification of an OMTS
This part is applicable to any type of train, e.g. open trains, multiple unit trains
and closed trains.
NOTE The general architecture provides a common basis for the application categories defined in part 2 and possible future parts of this series of standards. Consequently, the approach is homogeneous for all multimedia and telematicsubsystems addressed by this series of standards.