1 Scope
2 References
3 Definitions
4 Abbreviations
5 Electromagnetic environmental
parameters
5.1 Electrostatic voltage
5.2 Electrical Fast Transient/Burst
(EFT/B)
5.3 Conducted radio-frequency voltages
5.4 Radio-frequency fields
5.5 d.c. voltages
5.6 16 2/3 Hz voltages
5.7 50 Hz/60 Hz voltages
5.8 Audio frequency voltages
5.9 Surges
5.10 Voltage variation
5.11 Voltage fluctuation
5.12 Voltage interruption
5.13 Audio frequency magnetic fields
5.14 Lightning electromagnetic pulse
5.15 Low frequency repetitive impulses
6 Characteristics of environments
6.1 Telecommunication centres (common
features for class 1 and class 2)
6.2 Class 3 – Outdoor locations
6.3 Class 4 – Customer premises
7 Characteristic severities of the
environmental parameters
Appendix I –
Bibliography