... unique structure ,easy installation ,for indoor useRack Mounted Fiber optic terminal box capacity: 12,24,32,48,64,72,96 splices. Adapters ... ,ST,LC,SC, adapter etc. Rack Mounted Fiber optic terminal boxOptical Terminal Box (OTB) is mainly used for connecting the indoor/outdoor ... should be provided with an outlet device for fiber metal high voltage protective earthing; 2.2 Inner components as follows: ...