CEI EN 50159 : 2012

Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Reference architecture
5 Threats to the transmission system
6 Classification of transmission systems
7 Requirements for defences
Annex A (informative) - Threats on open transmission systems
Annex B (informative) - Categories of transmission systems
Annex C (informative) - Guideline for defences
Annex D (informative) - Guidelines for use of the standard
Annex E (informative) - Mapping from previous standards
Annex ZZ (informative) - Coverage of Essential Requirements
         of EC Directives

Pertains to safety-related electronic systems using for digital communication purposes a transmission system which was not necessarily designed for safety-related applications and which is: - under the control of the designer and fixed during the lifetime, or - partly unknown or not fixed, however unauthorised access can be excluded, or - not under the control of the designer, and also unauthorised access has to be considered.