Sichuan Huiyuan Optical Communications Co., Ltd,
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24F Air Blown Fibre Microduct Air Blown Micro Cable Outdoor Indoor Optical Fiber Splicing
Applications
The advantages of air blown micro cable are predicated on the installation of an adequate number of tubes initially. Generally, an tube bundle will be larger than a equivalent conventional fiber optic cable and have a larger bend radius, so the cable plant design must take this into account. The cost variable of air-blown fiber vs. conventional fiber optic cables depends on the application and plans for the future. It may be more expensive in the beginning but less expensive to expand the number of fibers or change the fiber types.
Technical specification
| P/N | GYCFT4-24 | |
| Fibre count | 24 | |
| Loose tube count | 2 | |
| Filler count | 4 | |
| Fiber per tube | 12 | |
| Water blocking method | FRP or PE Lining | Water Blocking yarn |
| Cable Core | Water Blocking Kevlar | |
| Thickness of nylon jacket | Nominal: 0.45mm, Average: 0.40mm, Minimum: 0.35mm | |
| Nominal Diameter | 5.3±0.1 mm | |
| Weight | 27 kg/km | |
| Max. Tensile Strength | 500N | |
| Max. Crushing Resistance | 800N/100mm | |
Fiber specification
| Characteristics | Values | ||
| Optical Characteristics | |||
| Mode field diameter | at 1310nm | 8.6±0.6µm | |
| at 1550nm | 9.8±0.8mm | ||
| Attenuation coefficient | at 1310nm | ≤0.40dB/km | |
| at 1550nm | ≤0.30dB/km | ||
| Zero dispersion wavelength ( λ0) | 1300nm to 1324nm | ||
| Max zero dispersion slope (S0max) | ≤0.092ps/(nm2·km) | ||
| Cut-off wavelength (λcc) | ≤1260nm | ||
| Effective group index of refraction (Neff) | at 1310nm | 1.466 | |
| at 1550nm | 1.467 | ||
| Geometric characteristic | |||
| Cladding diameter | 125.0±1.0µm | ||
| Cladding non-circularity | ≤1.0% | ||
| Coating diameter | 245.0±10.0µm | ||
| Coating-cladding concentricity error | ≤12.0µm | ||
| Coating non-circularity | ≤6.0% | ||
| Core-cladding concentricity error | ≤0.8µm | ||
Cable structure:
Blowing performance
| Item | Testing Method | Testing Results | Specified Value |
| Repeated bending | IEC 60794-1-21-E6 | After test, Δa≤0.03 dB； The outer sheath has no visible crack. | R=20*cable diameter Bending load = 50N Bending times = 30 |
| Torsion | IEC 60794-1-21-E7 | After test, Δa≤0.03 dB; The outer sheath has no visible crack. | Torsion angle = ±180º Torsion load = 50N Torsion times =10 |
| Cable bend | IEC 60794-1-21-E11A | After test, The optical fiber can’t be broken; The outer sheath has no visible crack. | R=20*cable diameter 10 turns Cycles times = 5 |
| All optical testing proceeded at 1550 nm | |||
Standard drum length
2000m/drum, 4000m/drum & 6000m/drum
Fiber color
| Fibre No. 1 = Red |
| Fibre No. 2 = Green |
| Fibre No. 3 = Blue |
| Fibre No. 4 = Yellow |
| Fibre No. 5 = White |
| Fibre No. 6 = Grey |
| Fibre No. 7 = Brown |
| Fibre No. 8 = Violet |
| Fibre No. 9 = Aqua |
| Fibre No. 10 = Black |
| Fibre No. 11 = Orange |
| Fibre No. 12 = Pink |
Loose tube color
| Loose tube No. 1 = Red |
| Loose tube No. 2 = Green |
Cable text print: (Support customized text)
HUIYUAN GCYFT4 24 G652D [Drum No.] [Month-Year] [Meter marking]
Factory & office
Production line