Description
A Smart Bridge Between Two Connector Worlds
Many optical test sets, OTDRs, and legacy telecom devices still use FC ports, while modern switches, patch panels, and transceivers rely on LC interfaces. This cable allows seamless integration between the two — without adapters, without signal instability.
The UPC polished end faces ensure tight physical contact between fibers, keeping insertion loss low and reflections under control, which is critical for accurate signal transmission and testing.
Performance & Construction Overview
| Parameter | FC/UPC–LC/UPC-50/125-DX |
|---|---|
| Fiber Type | Multimode 50/125 μm |
| Mode | OM2 / OM3 compatible |
| Configuration | Duplex (DX) |
| Connector A | FC / UPC |
| Connector B | LC / UPC |
| Operating Wavelength | 850 nm / 1300 nm |
| Insertion Loss | ≤ 0.30 dB |
| Return Loss | ≥ 30 dB |
| Cable Jacket | LSZH or PVC |
| Tensile Strength | ≥ 200 N |
| Mating Durability | ≥ 1,000 cycles |
| Operating Temperature | −10 °C to +70 °C |
| Standards | IEC, TIA-568, RoHS, REACH |
What You Can Expect in Real Use
At 850 nm, 50/125 µm multimode fiber supports:
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10G Ethernet up to 300 m (OM3)
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40G / 100G up to 100–150 m using parallel optics
This makes the FC-to-LC duplex cable an excellent fit for:
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Optical test and measurement equipment
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Data center patching
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Enterprise LAN backbones
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Industrial Ethernet
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Telecom and metro access networks
Precision You Can Rely On
Each FC/UPC–LC/UPC-DX patch cord is assembled using high-grade ceramic ferrules, laser-aligned cores, and fully automated polishing and inspection processes. Every cable is 100% optically tested before delivery to ensure consistent loss and stable performance on both fiber channels.
The result is a fiber jumper that behaves the same on day one and after years of plugging, unplugging, and re-routing.
Professional Q&A
Q1: Why mix FC and LC connectors on one cable?
It allows direct connection between legacy or test equipment (FC) and modern switches or patch panels (LC) without adapters that introduce extra loss.
Q2: Is this cable suitable for high-speed networks?
Yes. With OM3-grade 50/125 fiber, it supports 10G, 40G, and 100G multimode applications within standard distance limits.
Q3: What is the benefit of UPC polishing?
UPC provides a smooth physical contact between fibers, reducing insertion loss and keeping return loss at a stable ≥30 dB.
Q4: Can it be used in data centers?
Absolutely. The LC end fits high-density panels and switches, while the FC end connects easily to test sets, ODFs, or older equipment.
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