1
Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations and
acronyms
3.3 Symbols
4 Overvoltage and overcurrent
conditions
5 Resistibility requirements
5.1 Basic resistibility
requirement
5.2 Enhanced resistibility
requirement
6 Equipment boundary
7 Test conditions
7.1 Port types
7.2 Test types
7.3 Test conditions
7.4 Test schematics
8 Protection coordination
8.1 General
8.2 Lightning
8.3 Power induction, earth
potential rise and power contact
8.4 Special test protector
8.5 Selection of the
agreed primary protector
9 Acceptance criteria
10 Tests
10.1 External symmetric
pair port
10.2 External coaxial port
10.3 External d.c. and a.c.
dedicated power feeding ports
10.4 External
a.c. mains power port
10.5 Internal ports
Annex A – Test schematics
A.1 Introduction
A.2 Equipment
A.3 Test generators
A.4 Waveform generation
A.5 Powering, coupling,
decoupling and terminations
A.6 Test schematics for
different types of ports
Appendix I – Explanations that illustrate test conditions
I.1 Testing
I.2 Range of lightning
and power induction test levels
I.3 Relationship
between this Recommendation and other product or product family Recommendations
Appendix II – Supplementary information for manufacturers and
operators
II.1 Introduction
II.2 Primary protection
coordination
II.3 MDF voltage at the
input of equipment
II.4 Current test on mains
ports
II.5 Earth and neutral
potential rise
II.6 Special resistibility
requirements
II.7 Equipment fire in
equipment complying with [ITU-T K.21]
Bibliography