The contents of the corrigendum of July 1992 have been included in this copy. It has the status of a horizontal standard in accordance with IEC Guide 108.
ICS
33.180.01 Fibre optic systems in general / Волоконно-оптические системы в целом
01.040.33 Telecommunications. Audio and video engineering (Vocabularies) / Телекоммуникации. Аудио- и видеотехника (Словари)
