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24 Core Non-Metallic Fiber Optic Cable: Reliable G.652D Single-Mode Solution for Outdoor Duct Installations

In today’s hyper-connected world, reliable fiber optic infrastructure is the backbone of high-speed telecommunications, metropolitan networks, and data center interconnections. Outdoor deployments, particularly in duct environments, face unique challenges: moisture ingress, mechanical stress from installation and environmental factors, electromagnetic interference (EMI) from nearby power lines, and the need for long-term durability without compromising signal quality.

For network engineers and telecom providers seeking a robust, future-proof solution, the 24F GYFTY SM G.652D Non-Metallic Single HDPE Sheathed Nylon Duct Fiber Optic Cable stands out as an elite choice. Manufactured with precision engineering, this cable combines advanced materials and design to deliver exceptional performance in harsh outdoor conditions.

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Why Non-Metallic Design Matters in Outdoor Duct Applications

Traditional metallic-armored cables can suffer from lightning strikes, corrosion, and EMI—issues that disrupt signal integrity and increase maintenance costs. The GYFTY series eliminates these risks with its fully dielectric (non-metallic) construction. Featuring fiberglass-reinforced plastic (FRP) central strength member and water-blocking glass yarn, this 24-fiber cable is lightweight (just 107 kg/km), easy to handle, and completely immune to electromagnetic fields.

The dual-layer sheathing further enhances protection:

  • An inner HDPE (High-Density Polyethylene) jacket provides excellent moisture resistance and UV stability.
  • An outer nylon jacket adds superior abrasion resistance, making it ideal for direct burial or pulled-through duct installations where friction and rodent damage are concerns.

With a nominal cable diameter of only 11.0 mm, it fits seamlessly into standard ducts while supporting tensile loads up to 1000N (short-term) and crush resistance of 2000N/100mm—ensuring minimal additional attenuation even under stress.

Superior Optical Performance with G.652D Single-Mode Fibers

At the heart of this cable are 24 G.652D single-mode fibers, the industry gold standard for long-haul transmission. These fibers offer:

  • Low attenuation: ≤0.35 dB/km at 1310nm and ≤0.21 dB/km at 1550nm.
  • Excellent mode field diameter (9.2 ± 0.4 μm) and cutoff wavelength (≤1260 nm) for compatibility with modern DWDM and high-speed systems.
  • Proof stress ≥100 kpsi for enhanced mechanical reliability.

Housed in color-coded PBT loose tubes with water-blocking gel, the fibers are fully protected against longitudinal water penetration, maintaining signal integrity across operating temperatures from -30°C to +70°C.

This combination ensures ultra-low signal loss over long distances, making it perfect for backbone networks, FTTx deployments, and inter-city links.

Key Advantages for Real-World Deployments

  • Easy Installation: Lightweight and flexible (static bend radius 15x diameter), reducing labor costs and installation time.
  • Long-Term Reliability: Compliant with international standards including IEC 60794, ITU-T G.652, and Telcordia GR-20.
  • Environmental Resilience: Full water-blocking, UV-resistant, and rodent-resistant design minimizes downtime in challenging outdoor environments.
  • Cost-Effective Scalability: 24-fiber count strikes the perfect balance for medium-density routes, with room for future upgrades.

Whether you’re building metropolitan area networks (MANs), connecting remote sites, or expanding data center interconnects, this GYFTY cable delivers the performance and durability that modern networks demand.

Ready to Upgrade Your Outdoor Fiber Infrastructure?

At SoctFiber, we specialize in high-quality fiber optic solutions tailored to the needs of telecom operators, ISPs, and contractors worldwide. Our 24F GYFTY non-metallic duct cable is available in 4km wooden drums (or custom lengths), with fast delivery from Shanghai/Ningbo ports and competitive MOQ starting at 30km.

If you’re planning an outdoor duct project and need a cable that combines cutting-edge performance with proven reliability, contact our expert team today for a customized quote. We’re here to help you achieve seamless, high-speed connectivity that stands the test of time.

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