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48-Port Fiber Distribution Box – Manage 48 Fibers in One IP65 Outdoor Enclosure for FTTH Networks
48-port high-density terminal, suitable for FTTH/FTTx.
Compatible with SC, LC, FC, and ST adapters for flexible deployment.
IP55~IP65 protection level, suitable for indoor, outdoor, and harsh environments.
Supports wall-mount, rack-mount, and pole-mount installation.
Built-in splice tray (up to 4 trays, 48-core capacity), with optional pre-terminated PLC splitter (2×1:32).
Lockable hinged door with key lock for security.
Optical performance: insertion loss ≤0.30dB, return loss ≥50dB (UPC) / ≥60dB (APC).
What is a 48‑Port Fiber Distribution Box?
The 48‑port fiber distribution box is a high‑capacity termination and distribution enclosure designed for FTTx communication networks. It serves as a centralized termination point for feeder cables to connect with drop cables, enabling fiber splicing, splitting, and distribution in a single enclosure. With support for multiple adapter types (SC/LC/FC/ST), IP55‑IP65 protection, and flexible wall/rack/pole mounting options, it is the ideal solution for high‑density residential complexes, multi‑dwelling units (MDUs), commercial buildings, and campus networks.
48-Port Fiber Distribution Box Specification parameters
- Specification parameters
- OPTICAL CHARACTERISTICS
| Name | Material | Waterproof grade | Color | Installable | Size | net weight | packing information | operating temperature | |
| 48 core fiber distribution box | ABS | IP65 | black and white [Customizable] | 48 fiber optic adapters and 48 pigtails or PLC mini splitters | 355（l*270(w)*120(h)mm | 1.57kg | 63 * 36.5 * 54cm, 10 pieces/box, gross weight 17.5kg | -40~80°C | |
Product Structure & Composition
Enclosure: Robust 1.2mm cold‑rolled steel or high‑strength ABS body with hinged lockable front door. Sealed cable entries with rubber grommets ensure dust and moisture protection.
Adapter Panels: Accommodates up to 48 adapters – SC, LC, FC, or ST types – in modular front‑loading panels for easy installation and maintenance.
Splice Trays: Integrated splice trays (up to 4 trays, 48‑core capacity) provide secure storage and management of fusion splices, with bend radius protection.
Cable Management: Built‑in cable guides and tie‑down points ensure organized fiber routing, reducing stress and preventing signal loss.
PLC Splitter Mounting: Optional pre‑terminated configuration with up to 2× 1:32 PLC splitters for rapid deployment in passive optical networks.
Benefits of 48-Port Fiber Distribution Box
Capacity & Adapter Compatibility
48‑port high‑density termination, compatible with SC/LC/FC/ST adapters – saves space in central offices and outdoor cabinets.
Construction & Mounting
Cold‑rolled steel (1.2mm) or high‑strength ABS body, IP55–IP65 protection. Supports wall, pole, and 19″ rack mounting – suitable for indoor, outdoor, and harsh environments.
Internal Management & Security
Built‑in up to 4 splice trays (48‑core total capacity), optional PLC splitters (1×8/16/32). Lockable hinged door with key prevents unauthorised access in public or shared spaces.
Engineering Applications 48-Port Fiber Distribution Box
Multi‑Dwelling Units (MDUs) and Residential Complexes
Provides centralized fiber termination and distribution to multiple apartments or units within a single building. Supports up to 48 subscriber drops per box.
Campus and Commercial Buildings
Ideal for office buildings, industrial parks, and educational institutions – enabling structured fiber cabling across multiple floors and departments.
FTTH/FTTx Access Networks
Serves as the central distribution point between feeder cables and drop cables in FTTH deployments – enabling rapid service rollout and future network expansion.
Shipping & Packaging
Product Comparison：
48‑Port Distribution Box vs. 24‑Port Distribution Box
| Feature | 48‑Port Distribution Box | 24‑Port Distribution Box |
|---|---|---|
| Port Capacity | 48 ports | 24 ports |
| Max Splice Capacity | 48 cores (4 trays) | 24‑48 cores (2‑4 trays) |
| PLC Splitter Support | Up to 2× 1:32 | Up to 1× 1:32 |
| Protection Rating | IP55‑IP65 | IP54‑IP65 |
| Mounting Options | Wall, rack, pole | Wall, rack, pole |
| Ideal For | High‑density MDUs, large buildings | Small‑medium MDUs, remote sites |
| Dimensions (approx.) | 380×220×100mm | 280×200×80mm |
48-Port Fiber Distribution Box Selection Guide
How to Choose the Right 48‑Port Fiber Distribution Box
Select this distribution box for high‑density terminations – up to 48 subscribers per enclosure. It is ideal for multi‑dwelling units, commercial buildings, and campus networks where space is limited and subscriber density is high.
Choose the adapter type based on your network standard: SC for GPON/EPON, LC for high‑density data centre cabling, FC for legacy telecom, or ST for industrial/test environments.
Consider protection rating: IP55 for indoor or sheltered outdoor use; IP65 for direct outdoor exposure to rain and dust.
For rapid deployment, select the pre‑terminated version with PLC splitters (1×8. 1×16. or 1×32) and pigtails – reducing field splicing time.
Verify mounting compatibility – ensure your selected box supports wall, rack, or pole mounting based on the installation site.
Installation Instructions
Wall Mounting
Mark the drilling points on the wall based on the box's mounting holes. Use appropriate wall plugs and screws, secure the box, and ensure it is level.
Fibre Entry and Routing
Route feeder and drop cables through the sealed entry ports. Use the integrated cable guides to organise fibres and maintain a minimum bend radius of ≥30mm.
Splicing and Termination
Perform fusion splicing in the integrated splice trays. Secure spliced fibres in the trays, store excess fibre loop, and terminate drop fibres into adapters on the front panel.
Testing and Closure
Test all connections with an optical power meter or OTDR to verify loss within specification. Close and lock the door to complete the installation.
Download YRTFIBER Product Catalog
Factory Real Shot
Frequently Asked Questions & Quick Inquiry
48-Port Fiber Distribution Box FAQ
Q1: What connector types are supported?
Supports a variety of interfaces—including SC, LC, ST, FC fiber connectors and RJ45—ideal for mixed cable deployments.
Q2: Can this box be used outdoors?
Yes. Outdoor versions are fully sealed (up to IP68), UV-resistant, and suitable for rugged environments.
Q3: How can it be installed?
Supports rack-mount and wall/pole mounting. Units also support cascading setups using MPO or MTP backbone cabling.
Q4: Is maintenance easy with this design?
Yes. Features include modular trays, smooth slide-rail trays, and smart labeling (e.g., RFID) for fast access and organized cable paths.
Q5: Is it suitable for extreme conditions?
Absolutely — it withstands wide temperature/humidity ranges and seismic conditions, making it ideal for industrial and outdoors deployments.
How many fibers can this distribution box handle?
Up to 48 fibers (48 ports) with additional splice capacity for 48 core splices.
What adapter types are supported?
SC, LC, FC, and ST adapters – all compatible with the same enclosure via modular adapter panels.
Is this box suitable for outdoor use?
Yes. IP55‑IP65 rated models are designed for direct outdoor exposure – wall, pole, or street cabinet mounting.
Can it support PLC splitters?
Yes. Optional pre‑terminated configurations include up to 2× 1:32 PLC splitters.
What is the operating temperature range?
-40°C to +80°C – suitable for extreme climate conditions.
Is the box lockable?
Yes. All models include a hinged door with a key lock for security.
What materials are used for the enclosure?
Available in 1.2mm cold‑rolled steel or high‑strength ABS/engineering plastic.
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