Fiber Optic Splice Box Specifications
Fiber optic splice boxes come in a variety of models with capacities from 12 to 256 splices, designed for indoor or outdoor deployment, supporting single fiber or ribbon splicing, and often include splitter and adapter integration.
Common Models and Capacities
- The Fiber Cable Splice Boxes: Offer wall- or pole-mount enclosures with splice capacities of 12, 18, 24, or 36 splices, with options for customization. Outdoor models are IP-rated, UV-resistant, and corrosion-resistant, suitable for FTTH/FTTB and campus networks. They include hinged covers, labeled splice slots, bend-radius guides, and cable strain-relief for easy installation and maintenance .
- Corning 2178 Splice Closure Family: Includes seven models—XSB, XLB, S, SL, LS, LL, and XL—available in flame-retardant and non-flame-retardant versions. These closures support ribbon and single fiber splicing, feature reusable gaskets for easy re-entry, and offer flexible tray systems for positional or fixed splice inserts. They are optimized for ribbon cables but compatible with all cable types .
- Amphenol FSB Series: Indoor wall-mount enclosures designed for centralized splice-only applications. They support ribbon or single fiber splicing, with removable splice trays, integrated baskets for loose tube storage, and multiple cable port sealing options (rubber grommets, compression seals, or conduit fittings). These enclosures are suitable for DAS, MTU, and MDU networks .
- Phoenix Contact FDX 20 Series: Compact DIN rail-mounted splice boxes for high-speed data transmission. They provide up to 12 duplex front connections, ensuring secure fiber connections in a compact, uniform design suitable for real-time data applications .
- BWN Fiber Splitter Boxes: Designed for FTTH deployments, these enclosures range from 16-port indoor wall-mount to 256-port underground handholes. They house splitters, splice trays, and adapter panels, managing cable strain relief, bend radius, and environmental sealing. They are used as optical distribution points where a single feeder fiber splits into multiple subscriber fibers .
Key Specifications and Features
- Mounting Options: Wall-mount, pole-mount, DIN rail, or underground handhole.
- Environmental Ratings: IP-rated for outdoor use, UV-resistant, corrosion-resistant, and flame-retardant options.
- Splice Capacity: Ranges from 12 to 256 splices depending on model and configuration.
- Splice Types: Supports single fiber splicing or ribbon splicing.
- Splitter and Adapter Integration: Many models allow PLC splitter mounting, adapter panels, or transition to patch cords.
- Installation Features: Hinged covers, labeled slots, bend-radius guides, cable strain relief, and removable trays for easy maintenance.
- Customization: OEM/ODM options for branding, tray layout, enclosure color, and port labeling.
Applications
- FTTH/FTTB Networks: Residential or multi-dwelling unit deployments.
- Campus Networks: Backup splice enclosures for cable extensions or repairs.
- Telecom Rooms or Equipment Racks: Concealed splice junctions.
- High-Speed Data Transmission: Real-time fiber optic connections in industrial or commercial settings. Fiber optic splice boxes are selected based on network scale, environmental conditions, fiber type, and splicing requirements, ensuring reliable protection, organized fiber management, and future scalability.
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