Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
  3.1 Definitions from IEC 60950-1
  3.2 Definitions from IEC 60950-21
  3.3 Additional definitions for this document
  3.4 Abbreviations
4 Reference configuration
5 Safety categories of interfaces provided for connection
  to an information and communications technology network
  5.1 SELV circuits
  5.2 TNV circuits
  5.3 User information
  5.4 RFT circuits
6 Phenomena affecting the safety of interface ports
  6.1 Network Environment 0
  6.2 Network Environment 1
7 Determination of circuit type
Annex A (informative) Consideration of interface phenomenon
Annex B (informative) Worked examples of certain network
                      interfaces
Annex C (informative) Conditions for Network Environment 0
Annex D (informative) Voltage ranges of SELV circuits and
                      TNV circuits
Bibliography

Abstract

Applies to equipment interfaces. It covers equipment appropriately interconnected.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 74