Outdoor Fiber Termination Box Overview
The 48-Cores Outdoor Fiber Termination Box is a high-capacity, wall-mounted FTTH enclosure designed for reliable fiber termination, splicing, and distribution in outdoor and indoor access networks. Manufactured from anti-UV ABS+PC material and rated IP65, this outdoor fiber termination box ensures long-term durability in harsh environmental conditions.
With support for up to 48 fiber cores, flexible LGX PLC splitter configurations, and standardized SC simplex adapters, the OTB-48C is widely deployed in FTTH last-mile networks, FTTx distribution points, and outdoor telecom infrastructure.
Why Choose This Outdoor Fiber Termination Box
Designed specifically for outdoor fiber termination and distribution
Supports 48 FTTH drop cable terminations
Flexible splitter options for different PON architectures
Proven mechanical, electrical, and environmental performance
Engineered and supplied by SPRING, an experienced fiber optic manufacturer
Outdoor Fiber Termination Box Key Features
48-core fiber capacity with 2 × 24F splice trays
48 SC simplex adapters with flange (industrial standard interface)
Flexible splitter support:
2 × 1:16 LGX PLC splitters, or
4 × 1:8 LGX PLC splitters (optional)
IP65-rated outdoor fiber termination box, dustproof and waterproof
Anti-UV ABS+PC enclosure, resistant to rain, sunlight, and aging
Mid-span cable access allows fiber management without cutting feeder cables
Wall-mounted or pole-mounted installation (optional accessories)
Integrated functions: cable clamping, fiber splicing, fixation, storage, and distribution
Anti-theft locking mechanism for enhanced network security
Outdoor Fiber Termination Box Cable Management Design
Cable Ports:
8 round cable ports (including mid-span ports)
4 × Ø30 mm, 2 × Ø16 mm cable diameters supported
Front-access cable entry and exit, simplifying installation and maintenance
Integrated metal cable fixtures aligned with cable entrances
Large internal space for feeder cable routing, fiber winding, and splice protection
This outdoor fiber termination box allows technicians to complete fiber splicing, splitter installation, and FTTH drop cable routing efficiently on site.
Mechanical Performance of Outdoor Fiber Termination Box
Tensile Strength: 500 N / 1 min
Compression Resistance: 200 N / 100 mm
Bending Resistance: 150 N / ±45° / 3 cycles
Torsion Resistance: 50 N / ±90° / 3 cycles
Metal Parts: Passed 48-hour salt spray test
Electrical Performance
Insulation Resistance: ≥ 2 MΩ / 500 V DC
Voltage Withstand: 3 kV / 1 min / 10 mA
Environmental Performance
Ingress Protection: IP65
Flame Retardant Rating: UL94 V1 or higher
Operating Temperature:
Indoor: -25°C to +55°C
Outdoor: -40°C to +85°C
Relative Humidity: 25%–75% (@ +30°C)
Service Life: ≥ 20 years
Outdoor Fiber Termination Box Installation Options
Wall-mounted installation
Pole-mounted installation (optional accessories)
All outdoor fiber termination boxes are delivered pre-assembled, with secure locking and optional double-key protection for added safety.
Standard Accessories Included
Heat shrink protection sleeves
Locking key
Round cable seals
Wall mounting screws
Cable clamps
Nylon ties
Buffer tubes
Fiber labeling marks
Applications of Outdoor Fiber Termination Box
FTTH access networks
FTTx distribution points
PON splitter distribution
Telecom and ISP outdoor deployments
Residential and commercial fiber termination
About SPRING – Trusted Manufacturer of Outdoor Fiber Termination Boxes
SPRING is a professional manufacturer of fiber optic passive components with extensive experience in 1G / 10G / 40G / 100G network cabling solutions. Our outdoor fiber termination boxes are engineered to meet international telecom standards and support flexible customization for global operators and distributors.
By combining reliable product quality with expert technical support, SPRING helps customers improve deployment efficiency, reduce installation costs, and ensure long-term network stability.
Hot Tags: Outdoor Fiber Termination Box, Outdoor Fiber Termination Box Manufacturer
Outdoor Fiber Termination Box Technical Specifications
General Information
Product Type: Outdoor Fiber Termination Box
Model: SP-OTB-48C-A / SP-OTB-48C-B
Material: PC + ABS (Anti-UV)
Color: Gray
Application: FTTH / FTTx Access Network
Physical Dimensions
Size (W × D × H): 420 × 320 × 125 mm
Fiber Capacity
Maximum Capacity: 48 cores
Splice Trays: 2 pcs (24F per tray)
Maximum Adapters: 48 SC simplex adapters
Splitter Configuration Options
OTB-48C-A:
1 × 1:32 mini PLC splitter
OTB-48C-B:
1 × 1:32 or 2 × 1:16 LGX PLC splitters
Optional 1 × 4 / 1 × 8 / 1 × 16 / 1 × 32 PLC LGX modules
