Φ3.0mm G.657B3 Fiber Optical Cable GJYFJU-1 G.657B3
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Optical fiber performance
Items |
Unite |
Specifications |
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Fiber type |
|
G.657B3 |
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Geometric features | |||||||
Mode filed diameter(MFD) 1300nm |
μm |
8.4-9.2 |
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Cladding diameter |
μm |
125±0.7 |
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Core-cladding concentricity error |
μm |
≤0.5 |
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Cladding non-circularity |
% |
≤0.7 |
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Coating diameter |
μm |
245±10 |
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Coating-cladding concentricity error |
μm |
≤12.0 |
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Transmission characteristics | |||||||
Cable cutoff wavelength λcc |
nm |
≤1260 |
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Attenuation |
1310nm |
dB/km |
≤0.35 |
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1550nm |
dB/km |
≤0.23 |
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Zero dispersion wavelength |
ps/(nm2·km) |
≤0.092 |
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PMD Maximum individual fiber |
Ps/km1/2 |
≤0.1 |
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Macro-bend induced attenuation |
Radius |
mm |
10 |
7.5 |
5 |
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Turns |
/ |
1 |
1 |
1 |
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Maximum 1550nm |
dB |
0.03 |
0.08 |
0.15 |
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Maximum 1625nm |
dB |
0.1 |
0.25 |
0.45 |
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Mechanical Specification | |||||||
Proof test |
N |
≥9 |
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Dynamic stress corrosion susceptibility parameter |
/ |
≥20 |
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Coating strip force |
N |
1.3-8.9 |
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Other parameters are up to standard |
|
ITU-T G.657 B3 |
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Cable Parameters
Items |
Specifications |
|
Fiber type |
SM (G.657B3) |
|
Fiber attenuation coefficient |
≤0.36dB/km@1310nm ≤0.25dB/km@1550nm |
|
Fiber color |
Blue |
|
Diameter of the blue fiber |
245±10um |
|
Optical fiber buffer layer |
Dimension |
0.9±0.05mm |
Material |
LSZH |
|
Color |
Blue |
|
Strength member |
Aramid yarn |
|
Span |
≤70m |
|
Sag |
1% |
|
Maximum wind speed |
60km/hr |
|
Outer Jacket |
Diameter |
3.0±0.1mm |
Material |
TPU FR |
|
Color |
Black |
|
Thickness |
No less than 0.6mm |
|
Cable weight |
8.5 kg/km |
|
Mechanical and Environmental Characteristics
Test |
Standard |
Specified value |
Acceptance criteria |
Tension |
IEC 60794-1-21-E1 |
Sample length: Not less than 100m. - Load: 800N - Mandrel dia.: ≥360mm - Time: 10 min. |
The change in attenuation shall be less than 0.1dB |
Crush |
IEC 60794-1-21-E3 |
- Load: 500 N - Length: 100 mm - Time: 5 min. |
The change in attenuation shall be less than 0.1dB |
Impact |
IEC60794-1-21-E4 |
- Radius of impacted surface: 25 mm - Impact load: 0.5 kg - Falling height:150mm - Times: 1 time for 3 different points |
The change in attenuation shall be less than 0.1dB |
Sheath Pull-off Force |
IEC60794-1-21-E21 |
- Strip length:50mm - Pull speed:400mm/min |
Sheath pull-off force:30N~100N |
Sheath strip length |
|
Manual Operation one time by stripping pliers |
≥10mm |
Temperature cycling |
IEC 60794-1-22-F1 |
- Number of cycle: 1 - Time per step: 8hours 20℃→-20℃→+60℃→- 20℃→+60℃→20℃ |
The change in attenuation shall be less than 0.1dB/km |
Cable and length marking
Cable packing
