Indoor fiber optic cables are commonly used in buildings, offices, and homes. Armored, burial, and ruggedized designs are suited to a host of industrial environments. For each product design, items for OM1, OM3, OM4, OM5, and OS2 (Singlemode) items have been. Explore CommScope's Fiber Optic Cables for reliable connectivity. When routing a cable within a building, you will also need to factor in fire prevention. Indoor fiber cable is the backbone of modern communication networks within buildings, providing the high-speed data transmission necessary for everything from business operations to home entertainment.