Splicing cassette FOS-38 intended to be used for various purposes, but the main feature is the ability to mount it on standard electrical ceiling boxes, like wall socket FOS-17. This cassette occupies two ceiling boxes and equipped with detachable cover. 

In the future, this cassette will become an element of a developed FTTH  system and various additional accessories will be offered to it. This cassette includes new splicing holder FOS-20 and provided for 12 junctions