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Self Supporting Aerial Fiber Cable GYTC8S

Self Supporting Aerial Fiber Cable GYTC8S is a figure-8 structured outdoor optical cable designed for self-supporting aerial installation in FTTH and telecom access networks. The integrated steel messenger wire provides mechanical support without requiring a separate suspension cable, while the compact construction simplifies overhead deployment. 

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  • Product Details
Item Unit Specification G.652D
Mode field diameter 1310nm μm 8.7-9.5
1550nm μm 9.8-10.8
Cladding diameter μm 125.0±0.7
Cladding non-circularity % ≤0.7
Core/cladding concentricity error μm ≤0.6
Coating diameter μm 235-250
Coating/cladding concentricity error μm ≤12.0
Cable cut-off wavelength nm ≤1260
Attenuation coefficient 1310nm dB/km ≤0.36
1550nm dB/km ≤0.22
Proof stress level kpsi ≥100

4. Dimensions of cable constructions
Fiber count 24
Structure Center type
Fibers per tube 6
Number per tubecose tube 4
Loose tube diameter(mm) 2.0±0.1
Loose tube thickness 0.3
Steel messenger wire (mm) 0.9*7
Thickness of outer jacket(mm) 1.5
Cable diameter(mm) 4.2*1.5*8.8

5. Cable performance
Item Parameters
Fiber Material Silica
Loose tube Material PBT (polybutylece terephthalate)
Color All color display
Steel messenger wire Material Messenger wire
Outer jacket Material MDPE
Color Black
Min. bending radius Static 10 times cable diameter
Dynamic 20 times cable diameter
Tensile performance Short term 8000N long-term 3000N
Crush Short term 1000N long-term 3000N
Torsion Load: 150N; number of cycles:10; twist angle: ±180° No obvious addition attenuation, no fiber break and no cable damage.
Impact Impact energy : 450g × 1m; radius of hammer head:12.5mm;
number of impact:5 No obvious addition attenuation, no fiber 
break and no cable damage.

6. Colour Arrangement of Fibers is Loose Tube
Fiber Number 1 2 3 4 5 6 7 8 9 10 11 12
Colour Blue Orange Green Brown Slate White Red Black Yellow Violet Pink Aqua

7. Environmental performance
Item Standard Parameters
Operation temperature IEC 60794-1-2 F1 -20℃～+60℃
Water penetration IEC 60794-1-2-F5 Water level: 1 m, sample: 3 m
After 24 h, no water ingress.

8. Drum
Cable type GYXTC8Y
Height (mm) 800
Width (mm) 800
Inner diameter (mm) 660
Length (km) 2
Drum type Plywood wood drum
Wooden plate weight (kg) 50

9. Total weight of cable
Cable weight(kg/km) 0
Wooden plate weight (kg) 50
Total weight(kg) 50


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