| Specifications （G652D） |
| Characteristics | Conditions | Specified values | Units |
| Optical Characteristics |
| Attenuation | 1310nm | ≤0.32 | [dB/km] |
| 1383nm(after H2-aging) | ≤0.31 | [dB/km] |
| 1550nm | ≤0.18 | [dB/km] |
| 1625nm | ≤0.20 | [dB/km] |
| Attenuation vs. Wavelength | 1285-1330nm, in reference to 1310nm | ≤0.03 | [dB/km] |
| Max. α difference | 1525-1575nm, in reference to 1550nm | ≤0.02 | [dB/km] |
| Dispersion Coefficient | 1285-1340nm | -3.5 to 3.5 | [ps/(nm·km)] |
| 1550nm | ≤18 | [ps/(nm·km)] |
| 1625nm | ≤22 | [ps/(nm·km)] |
| Zero Dispersion Wavelength(λ0) | -- | 1300-1324 | [nm] |
| Zero Dispersion Slope(S0) | -- | ≤0.092 | [ps/(nm2·km)] |
| Typical Value | -- | 0.086 | [ps/(nm2·km)] |
| P M D | Maximum Individual Fibre | -- | ≤0.1 | [ps/√km] |
| Link Design Value（M=20，Q=0.01%) | -- | ≤0.06 | [ps/√km] |
| Typical Value | -- | 0.04 | [ps/√km] |
| Cable Cutoff Wavelength (λCC) | -- | ≤1260 | [nm] |
| Mode Field Diameter（MFD） | 1310nm | 8.7-9.5 | [μm] |
| 1550nm | 9.8-10.8 | [μm] |
| Effective Group Index of Refraction（Neff ） | 1310nm | 1.466 | -- |
| 1550nm | 1.467 | -- |
| Point Discontinuities | 1310nm | ≤0.05 | [dB] |
| 1550nm | ≤0.05 | [dB] |
| Geometrical Characteristics |
| Cladding Diameter | -- | 125.0±0.7 | [μm] |
| Cladding Non-Circularity | -- | ≤1.0 | [%] |
| Coating Diameter | -- | 235-245 | [μm] |
| Coating-Cladding Concentricity Error | -- | ≤12.0 | [μm] |
| Coating Non-Circularity | -- | ≤6.0 | [%] |
| Core-Cladding Concentricity Error | -- | ≤0.6 | [μm] |
| Curl(radius) | -- | ≥4 | [m] |
| Delivery Length | -- | Up to 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°C to +85°C, 98% RH | ≤0.05 | [dB/km] |
| Watersoak Dependence Induced Attenuation | 23°C，for 30 days | ≤0.05 | [dB/km] |
| Damp Heat Dependence Induced Attenuation | 85°C and 85% RH，for 30 days | ≤0.05 | [dB/km] |
| Dry Heat Aging | 85℃, for 30 days | ≤0.05 | [dB/km] |
| Mechanical Specification |
| Proof Test | -- | ≥9.0 | [N] |
| -- | ≥1.0 | [%] |
| -- | ≥100 | [kpsi] |
| Macro-bend Induced Attenuation | 100 Turns Around a Mandrel of 30 mm Radius | 1625nm | ≤0.05 | [dB] |
| 100 Turns Around a Mandrel of 25 mm Radius | 1310nm and 1550nm | ≤0.05 | [dB] |
| 1 Turn Around a Mandrel of 16 mm Radius | 1550nm | ≤0.05 | [dB] |
| Coating Strip Force | typical average force | 1.5 | [N] |
| peak force | 1.3-8.9 | [N] |
| Dynamic Fatigue Parameter(nd) | -- | ≥20 | -- |
