Specifies requirements for the protection of users of telecommunication equipment from overvoltages which may exist between a user environment and the telecommunication facilities in that environment. It does not apply to a carrier’s network.
Table of contents
Header
About this publication
PREFACE
FOREWORD
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
2 PRINCIPLES
2.1 GENERAL CONSIDERATIONS FOR PROTECTION
2.1.1 Overvoltages in the user environment
2.1.2 Protection concepts
2.1.3 Protection using an electrical insulation barrier
2.1.4 Protection using potential equalization
2.1.5 Effective user protection
2.2 PROTECTION OF USERS
2.2.1 Equipment protection
2.2.2 Additional protection
2.2.3 Overvoltage reduction
3 ANALYSIS OF PROTECTION AGAINST LIGHTNING OVERVOLTAGES
3.1 GENERAL
3.2 FACTORS AFFECTING LIGHTNING INCIDENT PROBABILITY
