IEC 62280-2:2002

INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Reference architecture
5 Threats to the transmission system
6 Requirements for defences
  6.1 Introduction
  6.2 General requirements
  6.3 Specific defences
7 Applicability of defences against threats
  7.1 Introduction
  7.2 Threats/defences matrix
  7.3 Choice and use of safety code and cryptographic
      techniques
Annex A (informative) Guideline for defences
A.1 Applications of time stamps
A.2 Choice and use of safety codes and cryptographic
    techniques
Annex B (informative) Bibliography
Annex C (informative) Guidelines for use of the standard
C.1 Scope/purpose
C.2 Classification of transmission systems
C.3 Procedure
C.4 Example
Annex D (informative) Threats on open transmission systems
D.1 View system
D.2 Derivation of the basic message errors
D.3 Threats
D.4 A possible approach for building a safety case
D.5 Conclusions

Provides basic requirements needed, in order to achieve safety-related transmission between safety-related equipment connected to the open transmission system.