Product Overview
Winner OM1 bare multimode optical fiber is engineered for dependable performance in established enterprise, campus, and telecom networks that rely on 62.5/125 μm infrastructure. Compliant with ISO/IEC 11801, IEC 60793-2-10, and TIA-492AAAC standards, this fiber delivers an overfilled modal bandwidth of ≥200 MHz·km at 850 nm and ≥500 MHz·km at 1300 nm, supporting Ethernet speeds up to 1 Gb/s over distances of 275 meters.
Key geometric enhancements include core/cladding concentricity error below 1.5 μm, core non-circularity under 5%, and cladding non-circularity less than 1%, which collectively minimize modal dispersion and insertion loss during splicing or connectorization. The fiber also incorporates a proprietary bend-insensitive design—inspired by advanced industry principles—that reduces sensitivity to macrobends in tight routing environments such as patch panels, conduits, and equipment racks. With stable attenuation performance (≤2.7 dB/km @850 nm, ≤0.6 dB/km @1300 nm) and resilience across a wide temperature range (-60°C to +85°C), Winner OM1 ensures long-term reliability even under thermal cycling conditions.
Technical Specifications
| Brand Name | Winner |
| Model Number | OM1 |
| Product Type | Bare Multimode Optical Fiber |
| Core Diameter | 62.5 ± 2.5 μm |
| Cladding Diameter | 125 ± 1 μm |
| Coating Diameter | 245 ± 7 μm |
| Core Non-Circularity | <5% |
| Cladding Non-Circularity | <1% |
| Coating Non-Circularity | ≤6% |
| Core/Cladding Concentricity Error | <1.5 μm |
| Group Refractive Index | 1.496 @850 nm, 1.491 @1300 nm |
| Overfilled Modal Bandwidth | ≥200 MHz·km @850 nm, ≥500 MHz·km @1300 nm |
| Attenuation | ≤2.7 dB/km @850 nm, ≤0.6 dB/km @1300 nm |
| Temperature Cycling Stability | -60°C to +85°C, Δα ≤0.1 dB/km |
| Delivery Length per Reel | 4.4 – 17.6 km |
Applications
- Enterprise local area networks (LAN) for horizontal and backbone cabling in office buildings, hospitals, and educational campuses
- Telecommunications central offices and access networks requiring compatibility with legacy OM1 infrastructure
- Data centers maintaining brownfield installations operating at 100 Mb/s to 1 Gb/s
- Industrial control systems where EMI immunity and proven multimode reliability are essential
- Retrofit and extension projects that maximize reuse of existing OM1 pathways without full re-cabling
Compatibility & Standards
Winner OM1 fiber is fully compatible with standard OM1 connectors (ST, SC, FC) and transceivers (e.g., 100BASE-FX, 1000BASE-SX). It can be spliced using conventional fusion splicers and terminated with standard polishing techniques. While OM3/OM4/OM5 fibers are recommended for new 10G+ deployments, OM1 remains the most cost-effective solution for sub-gigabit applications and legacy system continuity.
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