| JINXINGTONG -ITU-T G.657.A2 |
| Characteristics | Conditions | Specified values | Units |
| Optical Characteristics |
| Attenuation | 1310nm | ≤0.35 | [dB/km] |
| 1383nm | ≤0.35 | [dB/km] |
| 1460nm | ≤0.25 | [dB/km] |
| 1490nm | ≤0.23 | [dB/km] |
| 1550nm | ≤0.21 | [dB/km] |
| 1625nm | ≤0.23 | [dB/km] |
Attenuation vs.Wavelength
Max.a difference | 1285-1330nm,in reference to 1310nm | ≤0.03 | [dB/km] |
| 1525-1575nm,in reference to 1550nm | ≤0.02 | [dB/km] |
| Zero Dispersion Wavelength (a) |
| 1300-1324 | [nm] |
| Zero Dispersion Slope(S) |
| ≤0.092 | [ps/(nm²·km)] |
| PMD | Maximum Individual Fibre |
| ≤0.1 | [ps/ √km] |
| Link Design Value (M=20,Q=0.01%) |
| ≤0.06 | [ps/ √km] |
| TypicalValue |
| 0.04 | [ps/ √km] |
| Cable Cutoff Wavelength (λ) |
| ≤1260 | [nm] |
| Mode Field Diameter (MFD) | 1310nm | 8.49.2 | [um] |
| 1550nm | 9.3-10.3 | [um] |
| Effective Group Index of Refraction(N) | 1310nm | 1.466 |
|
| 1550nm | 1.467 |
|
| Point Discontinuities | 1310nm | ≤0.05 | [dB] |
| 1550nm | ≤0.05 | [dB] |
| Geometrical Characteristics |
| Cladding Diameter |
| 125.0±0.7 | [um] |
| Cladding Non-Circularity |
| ≤0.7 | [%] |
| Coating Diameter |
| 235-245 | [μm] |
| Coating-Cladding Concentricity Error |
| ≤12.0 | [μm] |
| Coating Non-Circularity |
| ≤6.0 | [%] |
| Core-Cladding Concentricity Error |
| ≤0.5 | [μm] |
| Curl(radius) |
| ≥4 | [m] |
| Delivery Length |
| Upto 50.4 | [km/reel] |
| Environmental Characteristics 1310nm,1550nm&1625nm |
| Temperature Dependence Induced Attenuation | 60℃ to+85℃ | ≤0.05 | [dB/km] |
| Temperature-Humidity Cycling Induced Attenuation | -10℃to+85℃,98%RH | ≤0.05 | [dB/km] |
| Watersoak Dependence Induced Attenuation | 23℃,for 30 days | ≤0.05 | [dB/km] |
| Damp Heat Dependence Induced Attenuation | 85°℃and 85%RH,for 30 days | ≤0.05 | [dB/km] |
| Dry Heat Aging | 85°℃,for 30 days | ≤0.05 | [dB/km] |
| Mechanical Specifications |
| Proof Test |
| ≥9.0 | [N] |
| ≥1.0 | %] |
| ≥10 | [kpsi] |
Macro-bend
Induced Loss |
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