Macrobend Loss
Mandrel radius(mm) | Cycles | 850nm Attenuation (dB) | 1300nm Attached attenuation (dB) |
37.5 | 100 | ≤0.05 | ≤0.15 |
15 | 2 | ≤0.1 | ≤0.3 |
7.5 | 2 | ≤0.2 | ≤0.5 |
Multi-Mode Optical Fiber Technical Parameters
Fiber Type | Optimized Transmission Performance | Compliant Standard |
| OM1 | 10Gb/s@150m, 1Gb/s@500m | OM1 A1a.1 492AAAF |
| OM2 | 10Gb/s@150m, 1Gb/s@500m | OM2 A1a.1 492AAAB |
OM2+ | 10Gb/s@150m, 1Gb/s@750m | OM2 A1a.1 492AAAB |
OM3 | 10Gb/s@300m, 1Gb/s@1000m | OM3 A1a.2 492AAAC-A |
OM4 | 10Gb/s@550m, 1Gb/s@1100m | OM4 A1a.3 492AAAD |
OM5 | 40&100Gb/s@200m, 10Gb/s@600m | OM5 A1a.4 492AAAE |
Maximum Attenuation
Wavelength (nm) | Maximum (dB/km) |
850 | ≤2.3 |
1300 | ≤0.6 |
| OM2 Fiber Characteristics | Conditions | Specified values | Units |
| Geometry Characteristics |
| Core Diameter | -- | 50±2.5 | [μm] |
| Core Non-Circularity | -- | ≤5.0 | [%] |
| Cladding Diameter | -- | 125.0±1.0 | [μm] |
| Cladding Non-Circularity | -- | ≤1.0 | [%] |
| Coating Diameter | -- | 245±7 | [μm] |
| Coating/Cladding Concentricity Error | -- | ≤10.0 | [μm] |
| Coating Non-Circularity | -- | ≤6.0 | [%] |
| Core/Cladding Concentricity Error | -- | ≤1.5 | [μm] |
| Delivery Length | -- | up to 17.6 | [km/reel] |
| Optical Characteristics |
| Attenuation | 850nm | ≤2.3 | [dB/km] |
| 1300nm | ≤0.6 | [dB/km] |
| Overfilled Modal Bandwidth | 850nm | ≥500 | [MHz·km] |
| 1300nm | ≥500 | [MHz·km] |
| Numerical Aperture | -- | 0.200±0.015 | -- |
| Group Refractive Index | 850nm | 1.482 | -- |
| 1300nm | 1.477 | -- |
| Zero Dispersion Wavelength，λ0 | -- | 1295-1340 | [nm] |
| Zero Dispersion Slope，S0 | 1295nm≤λ0≤1310nm | ≤0.105 | [ps/(nm2·km）] |
| 1310nm≤λ0≤1340nm | ≤0.000375（1590-λ0） | [ps/(nm2·km）] |
| Macrobending Loss | -- | -- | -- |
| 2 Turns @ 15 mm Radius | 850nm | ≤0.1 | [dB] |
| 1300nm | ≤0.3 | [dB] |
| 2 Turns @ 7.5 mm Radius | 850nm | ≤0.2 | [dB] |
| 1300nm | ≤0.5 | [dB] |
| Backscatter Characteristics | 1300nm |
|
|
| Step（Mean of Bidirectional Measurement） | -- | ≤0.10 | [dB] |
| Irregularities Over Fibre Length and Point Discontinuity | -- | ≤0.10 | [dB] |
| Attenuation Uniformity | -- | ≤0.08 | [dB/km] |
| Environmental Characteristics | 850nm & 1300nm |
|
|
| Temperature Cycling | -60℃ to 85℃ | ≤0.10 | [dB/km] |
| Temperature-Humidity Cycling | -10℃ to 85℃，4% to 98% RH | ≤0.10 | [dB/km] |
| Water Immersion | 23℃, 30 days | ≤0.10 | [dB/km] |
| Dry Heat | 85℃，30 days | ≤0.10 | [dB/km] |
| Damp Heat | 85℃, 85% RH，30 days | ≤0.10 | [dB/km] |
| Mechanical Specification |
| Proof Test | -- | ≥9.0 | [N] |
| -- | ≥1.0 | [%] |
| -- | ≥100 | [kpsi] |
| Coating Strip Force | typical average force | 1.5 | [N] |
| peak force | ≥1.3，≤8.9 | [N] |
| Dynamic Stress Corrosion Susceptibility Parameter（nd, typical） | -- | 20 | -- |
