Description
Designed for Mixed-Generation Fiber Networks
LC connectors are now standard on SFP+, QSFP, and QSFP-DD modules, while ST connectors remain widely used in older campus networks, telecom frames, and factory floors. This hybrid LC–ST configuration allows seamless integration without adapters that introduce extra insertion loss or reflection points.
OM3 fiber gives you high bandwidth and low attenuation, making it suitable for both network upgrades and new deployments.
Technical Performance Overview
| Specification | LC/UPC–ST/UPC-OM3-DX |
|---|---|
| Fiber Type | OM3 Multimode 50/125 μm |
| Configuration | Duplex (DX) |
| Connector A | LC / UPC |
| Connector B | ST / UPC |
| Operating Wavelength | 850 nm / 1300 nm |
| Bandwidth @ 850 nm | 2000 MHz·km |
| Insertion Loss | ≤ 0.30 dB |
| Return Loss | ≥ 30 dB |
| 10G Ethernet | Up to 300 m |
| 40G / 100G | Up to 100 m |
| Jacket | LSZH or PVC |
| Standards | IEC, TIA-568, RoHS, REACH |
Typical Applications
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Connecting SFP+/QSFP ports to ST patch panels
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Data center and enterprise network upgrades
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Campus and building fiber backbones
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Industrial Ethernet and automation systems
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Telecom and monitoring equipment
OM3 fiber ensures stable, low-latency signal transmission even in dense or high-speed environments.
Precision-Built for Reliable Optical Links
Every LC–ST OM3 jumper is assembled using high-grade ceramic ferrules and UPC-polished end faces, then tested for insertion loss, return loss, and end-face geometry. This results in clean light paths, low reflection, and long-term durability, even with frequent plugging and unplugging.
The LSZH jacket option also meets modern fire-safety and low-smoke requirements for commercial installations.
Professional Q&A
Q1: Is OM3 suitable for 40G and 100G links?
Yes. OM3 supports 40G and 100G up to 100 meters using 850 nm multimode optics.
Q2: Why mix LC and ST connectors?
LC connects directly to modern transceivers, while ST interfaces with older or industrial fiber systems—this cable bridges both worlds.
Q3: Does UPC polishing improve performance?
Yes. UPC minimizes back reflection and maintains return loss ≥ 30 dB, improving signal stability.
Q4: Can this be used in industrial environments?
Absolutely. The ST bayonet lock provides excellent vibration resistance, while the LC side maintains high-density connectivity.
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