| Fiber Type | Core Size (µm) | Modal Bandwidth (MHz·km) | Max Data Rate | Max Distance (10 GbE) | Jacket Color | Optical Source | Typical Applications |
|---|---|---|---|---|---|---|---|
| OM1 | 62.5 | 200 @ 850 nm | 1–10 GbE | 33 m | Orange | LED | Legacy LAN, 100 MbE |
| OM2 | 50 | 500 @ 850 nm | 1–10 GbE | 82 m | Orange | LED | LAN, 1 GbE |
| OM3 | 50 | 2000 @ 850 nm | 10–100 GbE | 300 m (10 GbE) | Aqua | VCSEL | Data centers, 10 GbE, 40/100 GbE up to 100 m |
| OM4 | 50 | 4700 @ 850 nm | 10–100 GbE | 550 m (10 GbE) | Aqua | VCSEL | High-performance computing, 40/100 GbE up to 150 m |
| OM5 | 50 | 4700 @ 850 nm, 2470 @ 953 nm | 40–400 GbE | 150 m (40/100 GbE) | Lime/Erinaceous | VCSEL, SWDM | Short-wavelength division multiplexing, 40/100 GbE, 400G-BD4.2 |
OM1-OM5 multimode fiber standards, detailing their core sizes, jacket colors, transmission
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ITU Standards The ITU has defined a series of recommendations that describe the geometrical properties and transmissive
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