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Multi-Mode 62.5/125 μm OM1 Optical Fibre
Description :
- CONNECSYS 62.5/125μm OM1 multimode fibre is a graded-index multimode optical fibre with a 62.5µm core diameter and a 125µm cladding diameter. The optical fibre is comprehensively optimized for the performance at the 850nm and 1300nm operating wavelengths, which meet the requirement of EN187000 and TIA/EIA 568 of maximum attenuation of ≤ 3.5 dB at 850nm and ≤ 1.5 dB at 1300nm wavelengths. The optical fibre also complies with the IEC 793-2 Type A1b Optical Fibre Specification. With the optical fibre low attenuation and high bandwidth, it overfills the transmission demand of IEEE 802.3z Gigabit Ethernet.
Optical Characteristics
| Characteristics | Conditions | Specified Values |
| Attenuation | 850 nm 1300 nm | ≤ 2.7 dB/km ≤ 0.6 dB/km |
| Minimum Modal Bandwidth | 850 nm 1300 nm | 200 MHz/km 600 MHz/km |
| Numerical Aperture | 0.275 ± 0.015 | |
| Zero Dispersion Wavelength | 1320 – 1365 nm | |
| Zero Dispersion Slope | ≤ 0.097 ps/(nm2 ∙ km) | |
| Group Index of Refraction | 850 nm 1300 nm | 1.496 1.491 |
Backscatter Characteristics ( @ 1300 nm )
| Step (Bidirectional Measurement) | ≤ 0.10 dB |
| Irregularities over fibre length and point discontinuity | ≤ 0.10 dB |
| Attenuation Uniformity | ≤ 0.10 dB/km |
Geometrical Characteristics
| Core Diameter | 62.5 ± 2.5 μm |
| Cladding Diameter | 124.8 ± 1.0 μm |
| Cladding Non-Circularity | ≤ 1.0 % |
| Coating Diameter | 245 ± 7 μm |
| Coating – Cladding Concentricity Error | ≤ 12.0 μm |
| Coating Non-Circularity | ≤ 6.0 % |
| Core – Cladding Concentricity Error | ≤ 1.5 μm |
Environmental Characteristic ( @ 850 nm & 1300 nm )
| Temperature Dependence Induced Attenuation at | -60°C to +85°C | ≤ 0.10 dB/km |
| Temperature - Humidity Cycling Induced Attenuation at | -10°C to +85°C, 98% RH | ≤ 0.10 dB/km |
| Water Soak Dependence Induced Attenuation at | 23°C, for 30 Days | ≤ 0.10 dB/km |
| Damp Heat Dependence Induced Attenuation at | 85°C & 85% RH, 30 Days | ≤ 0.10 dB/km |
| Dry Heat Aging at | 85ᵒC | ≤ 0.10 dB/km |
Mechanical Specifications
| Proof Test | Off Line | ≥ 9.0 N; ≥ 1.0 %; ≥ 100 kpsi |
| Macro – Bend Induced Attenuation 100 Turns Around a Mandrel of 60 mm Diameter | 850 nm & 1300 nm | ≤ 0.50 dB |
| Coating Strip Force | Typical Average Force Peak Force | 1.5 N ≥ 1.3 N ≤ 8.9 N |
| Dynamic Stress Corrosion Susceptibility Parameter nd | ≥ 27 nd |
