: Defining and apportioning safety integrity requirements across subsystems.

Finding a is a common request for railway engineers, but because this standard is a protected intellectual property of CENELEC and the British Standards Institution (BSI) , it is not legally available for free in its full version .

BS EN 50126-2 is part of the essential series of European standards for in railway applications. While Part 1 focuses on the generic RAMS process, Part 2 specifically addresses the systems approach to safety . It provides a technology-independent framework for:

: Guiding hazard identification and risk assessment throughout the system life cycle.