Description
Engineered for Clean, Stable Optical Links
Unlike push-pull connectors, FC connectors use a precision screw-on coupling, which prevents micro-movement that can cause signal fluctuation. When paired with UPC (Ultra Physical Contact) polishing, the fiber end faces form a tight, smooth physical contact that minimizes back reflection and insertion loss.
The result is a fiber patch cord that delivers consistent optical performance even in electrically noisy or mechanically active environments.
Key Technical Specifications
| Parameter | FC/UPC–FC/UPC-50/125-DX |
|---|---|
| Fiber Type | Multimode 50/125 μm |
| Fiber Mode | OM2 / OM3 compatible |
| Configuration | Duplex (DX) |
| Connector A | FC / UPC |
| Connector B | FC / UPC |
| Operating Wavelength | 850 nm / 1300 nm |
| Insertion Loss | ≤ 0.30 dB |
| Return Loss | ≥ 30 dB (UPC) |
| Cable Jacket | LSZH or PVC |
| Tensile Strength | ≥ 200 N |
| Durability | ≥ 1,000 mating cycles |
| Operating Temperature | −10 °C to +70 °C |
| Compliance | IEC, TIA-568, RoHS, REACH |
How It Performs in Real Networks
At 850 nm, 50/125 μm multimode fiber supports data rates such as:
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10G Ethernet up to 300 m (OM3)
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40G / 100G parallel optics up to 100–150 m
This makes the FC/UPC-FC/UPC-DX cable ideal for:
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Optical test equipment
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Industrial Ethernet
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Campus networks
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Legacy telecom systems
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Fiber distribution frames
Built for Reliability and Repeatability
Every patch cord is factory-terminated and polished with high-precision ceramic ferrules and undergoes 100% optical testing before shipment. This ensures:
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Accurate fiber core alignment
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Low insertion loss across both channels
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Consistent performance in high-density or critical systems
The LSZH jacket option also supports modern fire-safety requirements in data centers and commercial buildings.
Professional Q&A
Q1: What does “50/125” mean in this patch cord?
It refers to the fiber core and cladding size — 50 μm core and 125 μm cladding, the standard for multimode fiber used in LAN and data center environments.
Q2: Why use FC connectors instead of LC or SC?
FC connectors provide threaded locking, which prevents movement and is ideal for vibration-sensitive or test equipment connections.
Q3: Is this cable suitable for 10G networks?
Yes. With OM3-grade 50/125 fiber, it supports 10G Ethernet up to 300 meters at 850 nm.
Q4: Can it be used in industrial environments?
Absolutely. The FC screw-on design offers excellent resistance to vibration, making it well-suited for factory floors, labs, and outdoor cabinets.
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