| JINXINGTONG -ITU-T G.657.A1 |
|
| Characteristics | Conditions | Specified values | Units |
| Optical Characteristics |
| Attenuation | 1310nm | ≤0.35 | [dB/km] |
| 1383nm | ≤0.35 | [dB/km] |
| 1460nm | ≤0.25 | [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] |
| Dispersion Coefficient | 1285-1340nm | 3.5to 3.5 | [ps/(nm·km)] |
| 1550nm | ≤18 | [ps/(nm·km)] |
| 1625nm | ≤22 | [ps/(nm·km)] |
| Zero Dispersion Wavelength(λ) |
| 1300-1324 | [nm] |
| Zero Dispersion Slope(S) |
| ≤0.092 | [ps/(nm²·km)] |
| Typical Value |
| 0.086 | [ps/(nm²·km)] |
| PMD | Maximum Individual Fibre |
| ≤0.1 | [ps/ √km] |
| LinkDesign Value(M=20,Q=0.01%) |
| ≤0.06 | [ps/ √km] |
| TypicalValue |
| 0.04 | [ps/ √km] |
| Cable Cutoff Wavelength () |
| ≤1260 | [nm] |
| Mode Field Diameter (MFD) | 1310nm | 8.4-9.2 | [μm] |
| 1550nm | 9.3-10.3 | [μm] |
| Effective Group Index of Refraction(Ne) | 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 | [um] |
| Coating-Cladding Concentricity Eror |
| ≤12.0 | [μm] |
| Coating Non-Circularity |
| ≤6.0 | [%] |
| Core-Cladding Concentricity Error | -= | ≤0.5 | [μm] |
| Curl(radius) |
| ≥4 | [m] |
|
|
|
|
|
|
| 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 |
