IEC 60050-471 International Electrotechnical Vocabulary - - Part 471: Insulators Ingestion-build-68772 Alarm systems - Alarm transmission

Alarm systems - Alarm transmission systems and equipment - Part 1-3: Requirements for systems with digital communicators using the public switched telephone network

and interchangeability of recorded tapes

DD IEC/TS 61334-5-5 details the transmission method to transport data frames provided by the MAC sublayer to and from peer MAC entities using the electrical low-voltage distribution network

Note: The requirements of BS EN 62560 relate only to type testing

• Tension clamps for self supporting system – EN 50483-2

IEC 60050-471 International Electrotechnical Vocabulary - - Part 471: Insulators Ingestion-build-68772 Alarm systems - Alarm transmission