Informationtechnology—Telecommunicationsandinformationexchangebetweensystems—Closecapacitivecouplingcommunicationphysicallayer(CCCCPHY)Technologiesdel'information—Téléinformatique—Couchephysiquepourcommunicationparcouplagecapacitiffermé©ISO/IEC2021INTERNATIONALSTANDARDISO/IEC17982ReferencenumberISO/IEC17982:2021(E)Secondedition2021-04ISO/IEC17982:2021(E)ii©ISO/IEC2021–AllrightsreservedCOPYRIGHTPROTECTEDDOCUMENT©ISO/IEC2021Allrightsreserved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401•Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyright@iso.orgWebsite:www.iso.orgPublishedinSwitzerlandISO/IEC17982:2021(E)Foreword........................................................................................................................................................................................................................................iv1Scope.................................................................................................................................................................................................................................12Normativereferences......................................................................................................................................................................................13Terms,definitionsandabbreviatedterms................................................................................................................................13.1Termsanddefinitions.................................................................................................................................................................