Table of Contents
1Scope
2References
3Definitionsandabbreviations
3.1Definitions
3.2Abbreviationsandacronyms
3.3Symbols
4Overvoltageandovercurrentconditions
5Resistibilityrequirements
5.1Basicresistibilityrequirement
5.2Enhancedresistibilityrequirement
6Equipmentboundary
7Testconditions
7.1Porttypes
7.2Testtypes
7.3Testconditions
7.4Testschematics
8Protectioncoordination
8.1General
8.2Lightning
8.3Powerinduction,earthpotentialriseandpowercontact
8.4Specialtestprotector
8.5Selectionoftheagreedprimaryprotector
9Acceptancecriteria
10Tests
10.1Externalsymmetricpairport
10.2Externalcoaxialport
10.3Externald.c.anda.c.dedicatedpowerfeedingports
10.4Externala.c.mainspowerport
10.5Internalports
AnnexA-Testschematics
A.1Introduction
A.2Equipment
A.3Testgenerators
A.4Waveformgeneration
A.5Powering,coupling,decouplingandterminations
A.6Testschematicsfordifferenttypesofports
AppendixI-Explanationsthatillustratetestconditions
I.1Testing
I.2Rangeoflightningandpowerinductiontestlevels
I.3RelationshipbetweenthisRecommendationandother
productorproductfamilyRecommendations
AppendixII-Supplementaryinformationformanufacturers
andoperators
II.1Introduction
II.2Primaryprotectioncoordination
II.3MDFvoltageattheinputofequipment
II.4Currenttestonmainsports
II.5Earthandneutralpotentialrise
II.6Specialresistibilityrequirements
II.7Equipmentfireinequipmentcomplyingwith
[ITU-TK.21]
Bibliography Abstract
Establishes fundamental testing methods and criteria for the resistibility of telecommunication equipment to overvoltages and overcurrents.
