CONTENTS

�1���� Introduction
�2���� Scope and purpose
�3���� References
�4���� Definitions
�5���� Reference configuration
�6���� Need for protection
�7���� Protective measure
������� 7.1���� General principles: Lightning Protection Zones (LPZs)
������� 7.2���� Earthing
������� 7.3���� Bonding: Minimum CBN
������� 7.4���� Cabling routing
�8���� Additional protective measures
������� 8.1���� General
������� 8.2���� Shielding
Appendix I� �� Simulation of LEMP effects � Test setup
Appendix II� � Protection management
������ II.1���� New telecommunications centres
������ II.2���� Existing telecommunications centres
Bibliography