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Direct Burial Fibre Optic Cable Stranded Loose Tube Armoured Cable
Direct buried fibre optic cable is a kind of optical cable which is armoured with steel tape or steel wire outside. With performance of resisting external mechanical damage and soil erosion, it can be directly buried in the ground.
Description
Hone direct burial fibre optic cable is a armored fibre optic cable which has good performance of resisting external mechanical damage and preventing soil erosion. Fibre optic units is armoured with steel tape and double sheath outside, and make it is available for directly buried in the ground.
Direct burial is the most convenient laying method for fibre optic cable and also save the duct and aerial installation costs.
Application
Long-distance communication and inter-office communication
Features
- Convenient construction and installation
- Good mechanical and temperature performance
- Crush resistance and flexibility for direct buried construction
- APL moisture barrier
- PSP enhancing moisture proof
- Water-blocking material for underground application
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 | Weight (kg/km) | Crush Long/Short Term (N/100mm) | Tensile Long/Short Term (N) | Bending Radius Static/Dynamic (mm) |
|---|---|---|---|---|---|---|
| 2~6 | 1 | 5 | 177 | 1000/3000 | 1000/3000 | 12.5D/25D |
| 8~12 | 2 | 4 | 177 | |||
| 14~18 | 3 | 3 | 177 | |||
| 20~24 | 4 | 2 | 177 | |||
| 26~30 | 5 | 1 | 177 | |||
| 32~36 | 6 | 0 | 177 | |||
| 38~48 | 4 | 1 | 194 | |||
| 50~60 | 5 | 0 | 194 | |||
| 62~72 | 6 | 0 | 204 | |||
| 74~84 | 7 | 1 | 239 | |||
| 86~96 | 8 | 0 | 239 | |||
| 98~108 | 9 | 1 | 275 | |||
| 110~120 | 10 | 0 | 275 | |||
| 122~132 | 11 | 1 | 312 | |||
| 134~144 | 12 | 0 | 312 | |||
| 146~216 | 13~18 | 5~0 | 312 |
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