Wall Outlet Fiber optic cable outlet (OTO) 1 Port Transparent cover, also known as fiber optic wall outlet box, is applied to the wall outlet to connect drop cables and optical devices via fiber port. The outlet box is designed for use in the home. Fiber Optic Wall Mount or Pole Mount Enclosure for Indoor or Outdoor Fiber Optic Terminations and Fusion Splice installations with Couplers. (LC OS2 NO Pigtails) Shop products from small business brands sold in Amazon's store. Easy installation, versatile sizes, and superior cable management. It is made of high-impact ABS plastics. These. Indoor Fiber Termination Box 2 Core For FTTH, FTTO and FTTD This 2-core optical termination box features a sliding cover design, providing high protection for fiber connection joints to minimize the risk of damage.