Engineered with durable construction and smart layout, this IP68 Fiber Distribution Box delivers full-spectrum fiber organization while maintaining exceptional performance across varying environmental conditions.
The integrated PLC splitter technology within the main chamber removes the necessity for external supplementary components, which not only simplifies the installation workflow but also contributes to significant cost reduction in deployment.
Centered around operational excellence, its design incorporates logically separated functional zones that facilitate intuitive cable routing and straightforward maintenance procedures. Each unit undergoes stringent quality assurance protocols to guarantee standardized performance, positioning it as an optimal selection for telecom providers constructing resilient network infrastructures.
Despite its compact exterior dimensions, the enclosure offers impressive capacity - supporting up to 12 fusion splice connections while ensuring systematic fiber arrangement. This space-optimized configuration proves particularly advantageous in urban settings where physical space availability poses critical challenges.
Furthermore, the unit demonstrates remarkable installation flexibility, compatible with multiple mounting approaches including wall attachment, pole mounting, and strand mounting solutions to accommodate diverse deployment scenarios.
Why Engineers Specify This IP68 Enclosure
Six engineering realities that matter more than marketing claims.
Genuinely IP68-Rated
Unlike many Chinese suppliers who claim IP68 but only pass IP65 tests, our GL-FDB-IP68 series carries third-party SGS certificates documenting continuous 1-meter submersion for 30 minutes per IEC 60529. Waterproof test reports available on request.
Extreme Temperature Range
ABS+PC housing with a certified operating range of -40°C to +85°C. Seals remain flexible in Arctic cold; materials don't warp in Middle East heat. UV-stabilized pigmentation survives 10+ years of direct sun exposure.
Universal Adapter Compatibility
Supports all major fiber ecosystem adapters: Corning OptiTap SC/DLC/MPO, Huawei Mini SC/DLC, ZTE SC, ODVA SC/DLC, and standard SC/APC hardened connectors. No ecosystem lock-in for multi-vendor networks.
Mechanical Seal - Open & Re-seal
Tool-free hasp with vulcanized silicone tape allows technicians to access, maintain, and re-seal without compromising the IP68 rating. Unlike gel-sealed boxes, there's no need to replace sealing material after each visit.
Three Mounting Configurations
Integrated wall-mount, pole-mount, and aerial messenger cable mounting all in one product. Dedicated stainless steel SS304 banding clamps included. Works on concrete walls, wooden poles, and round utility poles.
OEM & Custom Configuration
30+ production lines support OEM branding, custom port counts (4/8/12/16/24/32/48/96), color options, and integrated PLC splitter configurations. CE marking and white-label options available for European market operators.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | IP68 Fiber Distribution Box |
| Application Environment | Outdoor FTTx Networks |
| Ingress Protection | IP65 (Dust-tight and water jet protected) |
| Material Composition | Engineering-grade ABS + PC alloy |
| Color Options | Gray, White, Black |
| Fiber Port Capacity | 8 ports (SC/APC or LC/APC adapters) |
| Splitter Configuration | Integrated 1x8 or 1x16 PLC splitter |
| Splice Tray Capacity | 12 fusion splices maximum |
| Operating Temperature | -40°C to +65°C |
| Installation Methods | Wall mount, pole mount, strand mount |
| Dimensions | 280mm × 220mm × 110mm |
| Cable Entry/Exit | 4× Ø20mm ports with sealed glands |
Installation Guide
4-Step Field Deployment
Designed for real-world deployment conditions - including single-technician installation at height.
Mount the Enclosure
Attach bracket using SS304 straps (pole) or M6 anchors (wall). Orient cable entries downward to prevent water pooling at entry points.
Route & Secure Cables
Feed feeder cable through PG gland or waterproof adapter entry. Secure with integrated cable clamp. Maintain ≥30mm bend radius.
Splice or Terminate
Fusion splice in splice tray (traditional) or plug-connect pre-terminated drop cables to factory-installed SC/APC hardened adapters.
Seal & Verify
Close lid, engage mechanical hasp. Torque PG glands to spec. Cap unused ports with dust plugs. Test insertion loss at each port with optical power meter.
Where This Box Performs Best
FTTH Last-Mile Distribution
Pole-mounted or wall-mounted distribution nodes connecting feeder cable to subscriber drop cables. Pre-connectorized ports allow plug-in activation without re-opening the sealed enclosure.
5G Base Station / FTTA
Tower-top fiber distribution for RRU connections. IP68-rated against wind-driven rain, condensation, and bird interference. Pre-terminated drop cables eliminate tower-top splicing.
Underground & Flood-Prone Areas
Direct buried in duct systems or installed in manholes where seasonal flooding is expected. Only true IP68 enclosures (not IP65) guarantee no water ingress at 1m submersion depth.
Industrial & Coastal Environments
Salt spray, chemical exposure, and high-humidity environments like ports, offshore platforms, and factory floors demand IP68 + UV-resistant material. Salt spray tested per IEC 60068-2-11.
Rural Broadband & Emerging Markets
Long deployment routes through rain, dust, and extreme temperatures in Africa, Southeast Asia, and Latin America. Plug-and-play design minimizes on-site skilled labor dependency - critical in markets with limited technician availability.
Emergency & Temporary Networks
Rapid-deploy fiber distribution for disaster recovery, construction sites, events, and government temporary networks. IP68 protection with tool-free plug-in connectivity allows same-day deployment.
Frequently Asked Questions
Q: Can an IP68 fiber distribution box be submerged in water?
A: Yes - and this is the critical distinction between IP68 and IP65. Our GL-FDB IP68-certified models are tested to continuous submersion at 1 meter depth for 30 minutes per IEC 60529. This makes them suitable for underground duct installations, manholes, and flood-prone areas. IP65 boxes can only withstand water jets, not immersion. SGS test certificates available on request.
Q: What is the real difference between IP65 and IP68 for outdoor fiber boxes?
A: IP65: Fully dust-tight + protected against water jets from any direction (no immersion capability). IP67: Temporary immersion at 1m for 30 min. IP68: Continuous submersion at manufacturer-specified depth/duration. For outdoor pole or wall mounting in normal rain conditions, IP65 is sufficient. For underground installations, coastal environments, or anywhere the box may be flooded - IP68 is mandatory. Critical note: Boxes with rubber-sealed drop cable ports typically cannot achieve true IP68 at those ports - verify the test scope of the certificate carefully.
Q: How do I verify a supplier's IP68 rating is genuine and not just claimed?
A: Always request the third-party test certificate (SGS, TÜV, Bureau Veritas, or Intertek), not just a product datasheet. The certificate must specify the exact model tested, the test date, the lab name, and the IEC 60529 clauses passed. Be especially cautious with boxes featuring rubber-grommet drop cable exits - these rarely pass immersion tests at the cable entry points. Genuine IP68 requires mechanical waterproof adapter entries at all ports.
Q: What connectors are compatible with your IP68 fiber distribution boxes?
A: Our IP68 series supports all major adapter ecosystems: Standard SC/APC and SC/UPC hardened connectors (default), Corning OptiTap SC/DLC/MPO, Huawei Mini SC/DLC/MPO, ZTE SC waterproof, ODVA SC/DLC/MPO, and LC Duplex. MPO/MTP is available on 24-core and above models. Specify your ecosystem at order time for factory pre-installation - no field adapter changes needed.
Q: What is the service life of your IP68 outdoor fiber box?
A: Our ABS+PC material is UV-stabilized and rated for 25+ years of outdoor deployment in standard temperate to tropical climates. The SMC variant extends this to 30+ years and is recommended for coastal, desert, or highly industrial environments. SS304 stainless steel hardware eliminates corrosion concerns. The mechanical seal is designed for 500+ open/close cycles without degradation.
Q: Can the IP68 enclosure withstand extreme temperatures?
A: Yes. Operating range is -40°C to +85°C (storage -45°C to +90°C). The housing material maintains structural integrity at Arctic temperatures without becoming brittle, and the silicone seals remain flexible and effective. At the high end, the housing does not warp under Middle East summer conditions. This has been validated in deployments across Scandinavia, Saudi Arabia, and Southeast Asia.
Q: Is the IP68 box suitable for 5G base station / FTTA deployments?
A: Yes, and it's one of the primary use cases. Tower-top fiber distribution requires compact, IP68-sealed enclosures that withstand wind vibration, temperature cycling, and condensation. Our FTTA-optimized variants support OptiTap and Huawei Mini SC adapters for direct RRU connections, eliminating tower-top splicing and reducing tower hours per installation. Pole/aerial mounting hardware is included.
Q: What is the minimum order quantity and lead time?
A: MOQ is 50 pcs for standard models. Standard delivery is 15–20 working days from order confirmation. OEM/custom models (colors, port configurations, branding) require 25–35 days with confirmed artwork. Sample orders (1–5 pcs) typically ship within 5–7 days. Contact our sales team with your project BOM for volume pricing.
Q: What is the difference between a fiber distribution box and a fiber splice closure?
A: A fiber distribution box (FDB) is an access point designed for connection and distribution - it has adapter ports on the outside, so technicians can plug/unplug drop cables without opening the box. A splice closure is a sealed enclosure for protecting cable splices with no external connectors. FDBs are used at distribution points where multiple subscribers connect; splice closures are used mid-span where cables are joined. Both are available in IP68 ratings for outdoor use.
Our Quality Promise
Comprehensive 3-Year Warranty
We confidently back all our products with a 3-year warranty. Our specific service policy is: within one year for quality issues, we take full responsibility for returns; within two years, for replacements; and within three years, for repairs.
Clear & Competitive MOQ
We welcome both trial and bulk orders. Our standard Minimum Order Quantity (MOQ) is 50 units. We also offer free samples for testing to help you evaluate our quality with confidence.
Fast & Reliable Logistics
We guarantee delivery within 10 days for standard items. Our logistics advantage includes cost-effective door-to-door service to simplify shipping for you.
Our Foundation
Backed by 18 years of experience since 2008, we control quality from our own factory, accept OEM/ODM requests, and maintain ready stock for wholesale. We focus on delivering the optimal balance of price and quality directly to end customers worldwide.
Your trust is our priority. Partner with us for dependable fiber optic solutions supported by clear promises.
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