DIN EN 50411-3-3-2021 光纤管理系统和光纤通信系统中使用的防护罩. 产品规格. 第3-3部分: 单模光纤熔接保护器; 德文版本EN 50411-3-3-2019
Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-3: Singlemode optical fibre fusion splice protectors; German version EN 50411-3-3:2019
This document contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements, which a single mode fusion splice protector need to meet in order for it to be categorized as an EN standard product.