Sealed enclosures designed for underground, aerial, or direct-buried applications, protecting fiber splices from environmental hazards. Available in dome or inline styles, these closures typically support 12 to 1,728 fiber splices, depending on size and tray configurations. High-capacity closures are used in large-scale network deployments requiring high fiber density.

Large outdoor cabinets can house fiber optic splitters, patch panels, and splicing trays for network distribution in urban and rural deployments. These cabinets can support typically anywhere from 144 to over 1,728 fiber splices, depending on their configuration.