... structure ,easy installation ,for indoor useRack Mounted Fiber optic terminal box capacity: 12,24,32,48,64,72,96 splices. ... ST,LC,SC, adapter etc. Rack Mounted Fiber optic terminal boxOptical Terminal Box (OTB) is mainly used for connecting the indoor/outdoor ... of pigtails 3. The heat shrink protective sleeves are used to protect fiber connectors 4. Material: all components of the box should be made of ...