Direct Buried 144Fiber Cable
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Fiber Parameter No. items unit parameter G.652D 1 Mode field diameter 1310nm μm 9.2±0.4 1550nm μm 10…Description
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Description
Fiber Parameter
| No. | items | unit | parameter | |
| G.652D | ||||
| 1 | Mode field diameter | 1310nm | μm | 9.2±0.4 |
| 1550nm | μm | 10.4±0.5 | ||
| 2 | Cladding diameter | μm | 124.8±0.7 | |
| 3 | non-circularity of cladding | % | ≤0.7 | |
| 4 | Core / cladding concentric error | μm | ≤0.5 | |
| 5 | Coating diameter | μm | 245±5 | |
| 6 | Coating layer ellipticity | % | ≤6.0 | |
| 7 | Cladding / coating layer with concentric error | μm | ≤12.0 | |
| 8 | Fiber optic cable cutoff wavelength | nm | λcc≤1260 | |
| 9 | Attenuation coefficient (max.) | 1310nm | dB/km | ≤0.36 |
| 1550nm | dB/km | ≤0.25 | ||
Fiber Optic Cable Parameter
| items | index | |
| Fiber core number | 144 | |
| Colored coated fiber | Outside diameter | 250±15μm |
| Color | blue, orange, green, brown, grey, origin, red, black, yellow, purple, pink, dark green | |
| Loose tube | Outside diameter | 1.95mm±0.05mm |
| Material | PBT | |
| Color | Red, green, origin, origin, origin, origin, origin, origin, origin, origin, origin, origin | |
| Central reinforcing element | Outside diameter | 2.5mm |
| Material | Steel wire | |
| Cushion | Outside diameter | 5.7mm±0.2mm |
| Material | PE | |
| Color | black | |
| Inner sheath
| Outside diameter | 12.7mm±0.5mm |
| Material | PE | |
| Color | black | |
| Outer sheath
| Outside diameter | 17.5mm±0.5mm |
| Material | PE | |
| Color | black | |
Mechanical and environmental performance of optical fiber cable
| items | units | Parameter values |
| Stretch (Long-term) | N | 1000 |
| Stretch (Short-term) | N | 3000 |
| Squash (Long-term) | N/10cm | 1000 |
| Squash (Short-term) | N/10cm | 3000 |
| Minimum bending radius (Dynamic) | mm | 25D |
| Minimum bending radius (Static) | mm | 12.5D |
| Installation temperature | ℃ | -20～+60 |
| Working temperature | ℃ | -40～+70 |
| Storage temperature | ℃ | -40～+70 |
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