The water-proof assemblies are regular 2*5mm FTTH drop cable preconnectorized with Huawei hardened connector, it is generally used outside integrally with hardened OptiTap adapters in the MST box or enclosure, it could be OptiTap SC/APC to stub end, or OptiTap SC/APC to regular SC/APC end with armored branch.This drop assemblies have excellent environment adaptability.