Fiber Optical Reflectors with FBG Technology are used to check and verify any attenuation or inefficieny by creating reflectance at the end of a passive optical network (PON) without affecting data traffic at all.
The monodirectional model is used in the ODBs (like ROE or PTE or OTO) in order to verify the stability of the network till that point of the network, as much as close to the customer premises.
The bidirectional model is used in the street cabinets for cross-connections. This These products have been developed based on the OPEN FIBER technical specification.