Ревидиран
IEC 61280-1-4:2009 sets forth a standard procedure for the collection of two-dimensional fibre optic nearfield greyscale data and subsequent reduction to one-dimensional data expressed as a set of three sampled parametric functions of radius from the fibre's optical centre. This revision of IEC 61280-1-4 continues to fulfil its original purpose, characterization of transmission light sources, which enables the accurate mathematical prediction of minimum guaranteed link length in 1 gigabit per second or greater fibre optic data communication systems. New to this revision is support for improved measurement precision of insertion loss in multimode fibre optic links through the characterization of measurement light sources.
ПОВУЧЕН
IEC 61280-1-4:2003 ED1
ПОВУЧЕН
IEC 61280-1-4:2009 ED2
99.60
Повлачење ступило на снагу
19. 1. 2023.
ОБЈАВЉЕН
IEC 61280-1-4:2023 ED3
Postupci ispitivanja optičkih komunikacionih podsistema – Deo 1-4: Opšti komunikacioni podsistemi – Metoda merenja fluksa koji okružuje izvor svetlosti
60.60 Стандард објављен