Specifications and Models of Fiber Optic Cable Splice Boxes
Fiber optic splice boxes come in various models including wall-mounted, DIN rail, slim, and 19-inch rack enclosures, each designed for specific splicing and network applications.
Wall-Mounted Splice Boxes
The FSB series by Amphenol Network Solutions is designed for indoor, wall-mounted applications, ideal for DAS, MTU, and MDU networks. These aluminum enclosures support high-density splice storage and can be configured for ribbon or single fiber splicing. Ribbon splicing uses the base as a splice tray, while single fiber configurations allow up to three removable splice trays. Integrated baskets provide loose tube storage, and cable ports offer rubber grommets, compression seals, or conduit fittings with various tie-down options for secure cable management .
DIN Rail and Compact Models
Phoenix Contact offers compact splice boxes suitable for DIN rail mounting, such as the FDX 20 series, which ensures reliable real-time data transmission. These boxes provide ample interior space for fiber connections, support up to 12 duplex front connections, and are designed for high-speed, future-proof data networks. They are typically metal, IP20 rated, and allow cable entry from above and below .
Slim and Low-Profile Splice Boxes
For space-constrained installations, ultra-slim splice boxes are available, such as the 3D-printable model with a 20mm height supporting up to 12 fibers. These boxes feature a tool-less sliding lid, integrated mandrels for proper bend radius, and zip tie slots for strain relief. They are suitable for FTTH, CCTV, or telecom applications where discreet mounting is required .
Rack-Mounted and Distribution Splice Boxes
EFB-Elektronik provides 19-inch splice boxes and fiber distribution hubs (FDH) for FTTH networks. These models include dome, vertical, and horizontal closures, as well as DIN rail housings. They protect fusion or mechanical splices, accommodate various connector types (LC, SC, E2000®, ST), and allow easy access to splice cassettes. FDH closures often include splitters for distributing signals to multiple households, making them ideal for large-scale residential or commercial deployments .
Key Considerations
When selecting a splice box model, consider:
- Application type: indoor wall mount, rack mount, or field deployment.
- Fiber capacity: number of fibers and trays supported.
- Splice type: ribbon vs single fiber.
- Connector compatibility: LC, SC, ST, or E2000®.
- Environmental protection: IP rating and material durability.
- Installation flexibility: tool-less access, DIN rail compatibility, or slim profile for tight spaces. These models provide a range of options for high-density, secure, and organized fiber splicing, suitable for both small-scale and large-scale network installations.
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