Beschreibung
Technical Specifications: Professional Standards
The “Ultra Physical Contact” (UPC) polish is designed for high-speed data transmission where a lower back-reflection than standard PC is required, but the angled APC is not necessary.
| Spezifikation | Technisches Detail | Advantage |
| Stecker Typ | SC/UPC zu SC/UPC | Universal 2.5mm “Push-Pull” design |
| Faser-Typ | Single Mode (OS2) 9/125μm | 100km+ distance capability |
| Einfügedämpfung | $\leq 0.25 \text{ dB}$ | High-efficiency light path |
| Rückflussdämpfung | $\geq 50 \text{ dB}$ | Minimizes signal noise for digital data |
| Material der Jacke | LSZH (Gelb) | Fire-safe and low-toxicity |
| Wellenlänge | 1310nm / 1550nm | Optimized for all SM transceivers |
| Dauerhaftigkeit der Paarung | $> 1000$ mal | Long-term mechanical life |
Why SC/UPC is the Industry Standard
1. Robust SC Mechanism
Die Subscriber Connector (SC) features a square, snap-in locking mechanism. Unlike the smaller LC connectors, the SC’s 2.5mm ferrule offers a larger surface area, making it less prone to misalignment and physically tougher for frequent patching in “high-traffic” distribution frames.
2. Optimized for Digital Data
While APC (Green) is king for video/CATV, UPC (Blue) is the standard for most digital data protocols. With a return loss of $\geq 50\text{dB}$, it provides more than enough signal purity for Gigabit Ethernet and 10G/40G data environments without the higher cost of APC hardware.
3. “Zero-Halogen” Safety
Safety regulations in modern server rooms are strict. Our SC/UPC jumpers use LSZH (raucharm und halogenfrei) jackets. In the event of extreme heat, these cables produce minimal smoke and no corrosive halogen gases, protecting both personnel and expensive hardware.
4. Simplex Simplicity
Die Simplex (SX) design is perfect for Bi-directional (BiDi) networking or any system where a single fiber strand is used for dedicated one-way communication. It is lightweight, takes up less space in cable trays, and is easier to manage than duplex bundles.
Expert Q&A: Troubleshooting & Insights
Q: Can I plug an SC/UPC (Blue) cable into an SC/APC (Green) port?
A: Nein. This is a common mistake. A UPC end is flat, while an APC port is angled. Forcing them together will create a massive air gap (causing signal failure) and can permanently scratch the expensive ceramic ferrules.
Q: What is the maximum distance for an SC/UPC Single Mode cable?
A: The cable itself is made of OS2 fiber, which can support distances up to 100km depending on the power of your transceivers. For most patch cord applications, however, they are used within the same rack or room (1m to 30m).
Q: Why is my “Simplex” cable yellow?
A: Industry standard color-coding dictates that Gelb represents Single Mode fiber (9/125μm), while Orange, Aqua, or Violet are used for various grades of Multimode fiber.
Q: Is SC/UPC compatible with SFP modules?
A: Most SFP modules use the smaller LC port. To connect an SC/UPC patch panel to an LC SFP module, you would need an LC to SC conversion cable rather than a standard SC-to-SC jumper.
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