YOFC MaxBand® OM4 Ultra Bending Insensitive Multimode Fibre is designed for 100G/lane and Terabit BiDi technology, offering high bandwidth in the wavelength range of 850nm - 870nm & 910nm. It can compensate the signal degradation caused by the center wavelength shift of 100G/lane transceivers, ensuring smooth upgrades to 400G, 800G, and higher data rates for data centers. It is fully backward compatible with legacy OM4 and OM5 fibres.YOFC MaxBand® OM4 Ultra Bending Insensitive Multimode Fibre complies with or exceeds ISO/IEC 11801-1 OM4 specification, IEC 60793-2-10 A1-OM4 specification, and TIA-492AAAF A1-OM4 specification.
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OM4
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 | -- | ≤0.6 | [%] |
Coating Diameter | -- | 245±7 | [μm] |
Coating/Cladding Concentricity Error | -- | ≤10.0 | [μm] |
Coating Non-Circularity | -- | ≤6.0 | [%] |
Core/Cladding Concentricity Error | -- | ≤1.0 | [μm] |
Delivery Length | -- | up to 17.6 | [km/reel] |
Optical Characteristics | |||
Attenuation | 850nm | ≤2.4 | [dB/km] |
910nm | ≤2.0 | [dB/km] | |
1300nm | ≤0.6 | [dB/km] | |
Overfilled Modal Bandwidth | 850nm | ≥3500 | [MHz·km] |
1300nm | ≥500 | [MHz·km] | |
Effective Modal Bandwidth | 850nm-870nm | ≥4700 | [MHz·km] |
910nm | ≥3100 | [MHz·km] | |
Link Length | 800GBase-SR8 | 100 | [m] |
800GBaseSR-4.2 | 100 | [m] | |
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 Loss1 | -- | -- | -- |
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] |
Backscatter Characteristics 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 Paraeter(nd, typical) | -- | 20 | -- |
Remarks: 1. The launch condition for the macrobending loss measurement fulfils that described in IEC 61280-4-1.
Benefits and Applications
Compensate for sianal degradation caused by center wavelength shift of high speed optical transceiver
Support single-wavelength and double-wavelength transmission system from 400Gb/s to 1.6Tb/s
Data centers
Office centers
Data storage networks
Local area networks
High-performance computing centers
10&40&100&400&800 Gb/s and 1.6Tb/s Ethernet
Supports the use and installation of optical cables with a small bending radius
High resistance to micro-bending
Optimized performance in tight-buffer cable applications
Stable performance over a wide range of environmental conditions