1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Reference configuration
7 Need for protection
8 Protective measure
8.1 General principles: lightning protection zones (LPZs)
8.2 Earthing
8.3 Bonding: minimum CBN
8.4 Cabling routing
9 Additional protective measures
9.1 General
9.2 Shielding
9.3 Coordinated SPD system
9.4 Isolating interfaces
Appendix I – Simulation of LEMP effects – Test set-up
Appendix II – Protection management
II.1 New telecommunication centres
II.2 Existing telecommunication centres
Bibliography