1. Feature
Working temperature range | -20℃~70℃ |
Min. installation temperature | -10℃ |
Storage and transport temperature range | -20℃~70℃ |
Rated voltage | 300V/500V |
Applications | Indoor |
Service life | ≥15 years |
Reference standards | IEC 60227.5, GB 5023.5, IEC 60228, GB3956, IEC 60227-1, GB 5023.1, ITU G.657, IEC 60793-2-50,GB/T 8815, YD/T1997.1, IEC 60794-2-10, IEC 60794-2-20, IEC 60794-1-2, IEC 60811, GB 2951,GB 7424, IEC 60332-1, IEC 60332-3 and SDGI requirements |
Remark | Other requirements not mentioned should fulfill the reference standards above. |
2. SDGI Bom code and Hybrid Cable Type
NO. | SDGI Bom code | Hybrid cable type | Remark |
1 | 25090017 | 1P1F-GDHH 2G.657A2(Bow-type)+2×1.5mm^2(RV)-Blue, Black |
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3.Cable dimensions
Table 1. Cable dimensions
Item | Unit | Requirements |
Simplex bow-type optical cable | Strength member | / | Steel wire |
Strength member diameter (body/coating) | mm | 0.4±0.05 |
Cable dimension | mm | 2.0(±0.1)*1.6(±0.1) |
Sub-power cable unit | Conductor | / | See section 4.1.1 |
Insulation | Material | / | LSZH |
Nominal insulation thickness | mm | 0.7 |
Min. insulation thickness | mm | 0.53 |
Outer sheath | Material | / | LSZH |
Nominal insulation thickness | mm | 1.0 |
Min. insulation thickness | mm | 0.8 |
Finished diameter | mm | 9.0±0.5 |
Reference weight | Kg/km |
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4 Requirements of the cable elements
4.1 Requirements of the sub-power cable unit
4.1.1 Conductor
Material: annealed stranded bare copper, Class 5 in accordance with IEC 60228.
Cross-sectional area (mm2) | Conductor structure (pcs/mm) | Single Conductor tolerance (mm) |
1.5mm^2 | 30/0.25 | +0.010/-0.010 |
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Twisted form: bunchy twist for Inside layers, normal twist for outmost layer.
Elongation at rupture for single conductor: no less than 15%
Tensile strength: no less than 200Mpa
4.1.2 Insulation
Material: LSZH
Hardness: 90±5 Shore A
Color scheme:
NO. | SDGI Bom | Insulation color scheme |
1 | 25090017 | Black (Pantone Black 3C), Blue (Pantone 3005U). |
Chromatic aberration: |△E|≤4.0 (Test method: DKBA 4023).
4.2 Requirements of the simplex bow-type optical cable
4.2.1 Fiber
Table 1. Fiber requirements
Item | Detail | Requirement |
Fiber type | / | G.657A2 |
Fiber amount | / | 1 |
Fiber color | / | NUTRAL |
Mode field diameter | Wavelength | 1310nm |
Range of nominal values | 8.6μm -9.5μm |
Tolerance | ±±0.4 μm |
Cladding diameter | Nominal | 125.0μm |
Tolerance | ±0.7 μm |
Core concentricity error | ≤0.5μm |
Cladding non-circularity | ≤1% |
Coating diameter | Nominal | 245μm |
Tolerance | ±10μm |
Coating-cladding concentricity error | ≤12.5μm |
Cut-off wavelength | ≤1260 nm |
Uncabled fiber macrobending loss | Radius(mm) | 15 | 10 | 7.5 |
Number of turns | 10 | 1 | 1 |
Max. at 1550 nm(dB) | 0.03 | 0.1 | 0.5 |
Max. at 1625 nm (dB) | 0.1 | 0.2 | 1.0 |
Min. proof stress | 0.69 GPa |
Dynamic fatigue parameter | ≥20 |
Chromatic dispersion coefficient | λ0min | 1300 nm |
λ0max | 1324 nm |
S0max | 0.092 ps/nm2 × km |
Other parameters meet standard | ITU-T G.657 |
