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| Component | Material | Function |
| Central Loose Tube | PBT (polybutylene terephthalate) | Houses optical fibers, filled with waterproof gel |
| Optical Fiber | G.652D / G.657A1 / G.657A2 (250um) | Signal transmission, up to 24 fibers |
| Strength Members | Two parallel FRP rods | Mechanical support for self-supporting aerial span |
| Water Blocking | Thixotropic gel in loose tube | Moisture protection for fibers |
| Outer Sheath | PE (outdoor) or LSZH (indoor) | UV resistance / fire safety |
| Optional Armor | Corrugated steel tape (anti-rodent) | Rodent protection for direct burial |
| Standard / Certification | Description |
| YD/T 1997 | Chinese standard for drop optical fiber cables for FTTH |
| IEC 60794-1-2 | Optical fiber cables - Generic specification - Basic optical cable test procedures |
| ITU-T G.652D | Single-mode fiber standard (dispersion-unshifted, low water peak) |
| ITU-T G.657A2 | Bend-insensitive single-mode fiber for access networks |
| ISO 9001 | Quality management system certification |
| RoHS | Restriction of Hazardous Substances compliance |
| CE | European Conformity marking |
| Fiber Count |
Nominal Diameter (mm) |
Nominal Weight (kg/km) |
Allowable Tensile Load (N) |
Allowable Crush Resistance (N/100mm) |
Aerial Install span with 1%sag | ||||
| Short Term |
Long Term |
Short Term |
Long Term |
NESC Light | NESC Medium | NESC Heavy | |||
| 2~12 | 4.5*8.0 | 39 | 1800 | 750 | 2000 | 800 | 100meters | 80meters | 50meters |
| 14~24 | 4.9*8.4 | 45 | 1800 | 750 | 2000 | 800 | 80meters | 60meters | 40meters |
| Parameter | G.652D (Standard) | G.657A2 (Bend-Insensitive) |
| Attenuation @ 1310nm | <= 0.36 dB/km | <= 0.38 dB/km |
| Attenuation @ 1550nm | <= 0.22 dB/km | <= 0.24 dB/km |
| Min. Bend Radius | 30 mm | 7.5 mm |
| Max. Attenuation at Bend (7.5mm, 100 turns) | Not specified | <= 0.1 dB @ 1550nm |
| Cutoff Wavelength | <= 1260 nm | <= 1260 nm |
| PMD | <= 0.2 ps/sqrt(km) | <= 0.2 ps/sqrt(km) |
| Recommended Use | Metro, backbone, long spans | FTTH drop, indoor tight bends |
| Parameter | Value |
| Operating Temperature | -20 degC to +60 degC |
| Installation Temperature | -5 degC to +50 degC |
| Min. Bending Radius (dynamic) | 20 x cable height |
| Min. Bending Radius (static) | 10 x cable height |
| Max. Tensile Force (short-term) | 1800 N |
| Max. Tensile Force (long-term) | 750 N |
| Crush Resistance (short-term) | 2000 N/100mm |
| Crush Resistance (long-term) | 800 N/100mm |
| Water Penetration | No penetration at 1m water column for 24h |
| Service Life | 25+ years (proper installation) |
| Cable Type | Structure | Tensile (N) Short/Long | Profile (mm) | Best For |
| GJXFH (Flat Indoor) | Flat, dielectric, no messenger | 200 / 100 | 2.0 x 3.0 | Indoor routing, wall-mounted, short drops |
| GYFXTY-FL (This Product) | Flat, FRP self-supporting | 1800 / 750 | 4.5 x 8.0 | Aerial self-supporting, last mile FTTH |
| GJYXFCH (Figure-8) | Figure-8 with messenger | 600 / 300 | 2.0 x 6.2 | Aerial near power lines, longer spans |
| GYTC8H (Round Self-Support) | Round, steel wire messenger | 1200 / 600 | 3.5 x 6.5 | Longer aerial spans, heavy loading |
