NBN EN 50155 : 2007

1 General
   1.1 Scope
   1.2 Normative references
   1.3 Definitions
2 Environmental service conditions of operation
   2.1 Normal service conditions
   2.2 Special service conditions
3 Electrical service conditions
   3.1 Power supply
   3.2 Supply overvoltages
   3.3 Installation
   3.4 Surges and electrostatic discharge
   3.5 Electromagnetic compatibility
4 Reliability, maintainability and expected useful
   life
   4.1 Equipment reliability
   4.2 Useful life
   4.3 Maintainability
   4.4 Maintenance levels
   4.5 Built-in diagnostics
   4.6 Automatic test equipment
   4.7 Alternative methods for fault diagnosis
   4.8 Purpose built test equipment and special tools
5 Design
   5.1 General
   5.2 Detailed practices - Hardware
   5.3 Detailed practices - Software
   5.4 System features
6 Components
   6.1 Procurement
   6.2 Application
7 Construction
   7.1 Equipment construction
   7.2 Component mounting
   7.3 Electrical connections
   7.4 Internal flexible wiring (electrical and optical)
   7.5 Flexible printed and strip wiring
   7.6 Printed boards-flexible and rigid
   7.7 Protected coatings for printed board assemblies
   7.8 Identification
   7.9 Mounting
   7.10 Cooling and ventilation
   7.11 Materials and finishes
8 Safety
   8.1 General
   8.2 Functional safety
   8.3 Personnel safety
9 Documentation
   9.1 Supply and storage of documentation
   9.2 Hardware and software documentation
   9.3 Documentation requirements
10 Testing
   10.1 Categories of tests
   10.2 List of tests
Tables
Figures
Annex A (informative) List of subclauses in which agreement
        between the parties (e.g. user and manufacturer) is
        mentioned
Annex B (informative) Bibliography

Applicable to all electronic equipment for control, regulation, protection, supply, etc., installed on rail vehicles and associated with either the accumulator battery of the vehicle or a low voltage power supply source with or without a direct connection to the contact system (transformer, potentiometer device, auxiliary supply).