1
Scope
2
References
3
Definitions
3.1
Terms defined elsewhere
3.2
Terms defined in this Recommendation
4
Abbreviations and acronyms
5
Lightning damage
6
Requirements
6.1
Classification of ports
6.2
Resistibility
6.3
Safety
6.4
Earthing
6.5
Risk assessment
6.6
Installation of overvoltage protection
6.7
Wiring installation
6.8
Special requirements
6.9
Use of wireless and optical fibre
Annex A – Principles of surge protection
A.1
Surge coupling into external telecommunication lines
A.2
Surge coupling into internal cabling
A.3
Impact of actual installations
A.4
Separate earth electrodes
A.5
Philosophy of protection
Annex B – Installation practices which may result in damage
Annex C – Coordination
C.1
Telecommunication SPD coordination
C.2
Mains SPD coordination
C.3
Internal port coordination
Annex D – Risk assessment
D.1
Explanation of terms
D.2
Risk management
Appendix I – Risk assessment example
I.1
General
I.2 Building
characteristics
I.3
Characteristics of the services
I.4
Characteristics of the internal systems
I.5 Zones
definition in the structure
I.6
Expected dangerous events to the structure
I.7 Risk
assessment for the unprotected structure
I.8
Selected protection measures
I.9
Risk assessment related to the protected structure
I.10
SPDs
Appendix II – Assessment of protection needs
II.1
Single port equipment
II.2
Earthed equipment
II.3
Non-earthed equipment
II.4
Level of protection provided by an MSPD
II.5
Consideration of loop areas
Bibliography