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Subsea Fibre Optic Cable 8 Core 24 Core SWA Fibre Cable
HOC SWA armoured subsea fibre optic cable is a uni-tube fibre cable and armoured with steel wire armour structure to suit the underwater laying environment.
Description
The laying environment conditions of subsea fibre optic cable are much stricter than those of direct buried optical cables, and the techniques and measures for repairing faults are also much more difficult. Therefore, the reliability requirements for underwater optical cables are higher than those of direct buried optical cables.
So fibre optic cable used underwater or subsea must adopt a steel wire armour, which is also known as SWA. And the sheath must be considered comprehensively according to the hydrogeological conditions of the river.
Application
Underwater, Climbing, Direct burial
Features
- Central tube for fibre 8 core to 24 cores
- Steel wire armouring (SWA) improves tensile and impact resistance
- Double sheath, excellent moisture resistance
- Sheath material PE and LSZH for different requirements
- Good hydrolysis resistance and high strength
- Water-blocking tape and materials
- Good mechanical properties and temperature characteristics
- Loose tube filled with special tube filling compound ensure critical protection for fibre
Optical Characteristics
| Optical Characteristics | G.652 | G.655 | 50/125μm | 62.5/125μm | |
|---|---|---|---|---|---|
| Attenuation (+20℃) | @850nm | ≤3.0 dB/km | ≤3.3 dB/km | ||
| @1300nm | ≤1.0 dB/km | ≤1.0 dB/km | |||
| @1310nm | ≤0.36 dB/km | ≤0.40 dB/km | @1310nm | ||
| @1550nm | ≤0.22 dB/km | ≤0.23dB/km | |||
| Bandwidth | @850nm | ≥500 MHz·km | ≥200 MHz·km | ||
| @1300nm | ≥500 MHz·km | ≥500 MHz·km | |||
| Numerical Aperture | 0.200±0.015 NA | 0.275±0.015 NA | |||
| Cable Cut-off Wavelength λcc | ≤1260nm | ≤1450nm |
Technical Parameters
| Fiber Count | Loose Tubes + Fillers | Fibers per Tube | Loose Tube Diameter (mm) | CSM Diameter (mm) | Inner Jacket Thickness (mm) | Outer Jacket Thickness (mm) | Cable Diameter (mm) | Weight (kg/km) | Min. Bending Radius Static/Dynamic | Tensile Short Term | Crush Short Term |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 1 | 8 | 3.0±0.1 | - | 1.0±0.1 | 1.5±0.1 | 11.8±0.5 | 230 | 12.5D/25D | 4000N | 4000N |
| 24 | 1 | 24 | 3.0±0.1 | - | 1.0±0.1 | 1.5±0.1 | 11.8±0.5 | 231 | |||
| 48 | 1+5 | 12 | 3.0±0.1 | 1.5/1.5 | 1.0±0.1 | 1.9±0.1 | 13.1±0.5 | 298 | 12.5D/25D | 8000N | 5000N |
| 96 | 1+8 | 12 | 3.0±0.1 | 2.6/3.5 | 1.0±0.1 | 1.9±0.1 | 15.1±0.5 | 385 | |||
| 144 | 1+12 | 12 | 3.0±0.1 | 3.0/6.3 | 1.0±0.1 | 1.9±0.1 | 17.9±0.5 | 513 |
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