Description
🏗️ Structural Superiority: The Metal-Stop Architecture
The transition from a plastic internal frame to a Zinc Alloy Stop fundamentally changes the connector’s performance profile under stress.
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Permanent Axial Stability: The Zinc Alloy stop acts as a rigid bulkhead. In 3.0mm cables, the weight and stiffness of the jacket can pull on the internal components; this metal stop ensures the Ultra Physical Contact (UPC) remains perfectly seated, preventing signal “jitter” or temporary disconnects.
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Thermal Expansion Neutrality: Metals like zinc alloy have superior dimensional stability compared to standard polymers. In environments with extreme heat (active equipment racks) or cold (outdoor cabinets), the metal stop ensures that the internal spring tension remains constant at $1.2\text{ kgf}$.
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Reinforced Crimp Matrix: The metallic body provides a solid, non-crushable surface for the crimp sleeve to compress against. This allows for a much tighter lock on the Aramid yarn (Kevlar), achieving a superior pull strength of $\ge 100\text{N}$.
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Vibration Dampening: The added mass and rigidity of the zinc alloy frame make this connector ideal for industrial automation and transportation networks where constant vibration can cause plastic-only connectors to fatigue over time.
🌐 Advanced Application Scenarios
The Zinc-Stop series is the “Gold Standard” for infrastructure that demands a 25-year service life:
1. Carrier-Grade Central Offices (CO)
In high-density ODFs, patch cords are often pulled through tight cable managers. The Zinc Alloy stop protects the delicate fiber-to-ferrule bond from axial tension, ensuring that “port tugging” doesn’t result in increased insertion loss.
2. Vertical Riser & Long-Span Cabling
When 3.0mm cables are run vertically or across long spans, the weight of the cable itself exerts constant pressure on the connector. This series is engineered to support that weight without the “pistoning” effect (ferrule retraction) common in lighter-duty models.
3. High-Power Optical Transmission
For networks carrying high-power signals, any micro-movement in the ferrule can lead to catastrophic back-reflections. The metallic stability of this series ensures a consistent Return Loss of $\ge 55\text{dB}$, protecting expensive SFP/XFP transceivers.
📉 Technical Performance matrix
| Metric | Performance Level | Strategic Advantage |
| Internal Material | Precision-Cast Zinc Alloy | Maximum structural rigidity |
| Ferrule Type | Premium Zirconia Ceramic | Concentricity $\le 0.5\mu\text{m}$ |
| Insertion Loss (IL) | Typical $\le 0.12\text{ dB}$ / Max $\le 0.30\text{ dB}$ | Industry-leading power efficiency |
| Return Loss (RL) | $\ge 50\text{ dB}$ (UPC) | Minimizes signal reflection |
| Tensile Resistance | $\ge 100\text{N}$ ($22.5\text{ lbs}$) | Secure against heavy mechanical stress |
| Operating Range | $-40^\circ\text{C}$ to $+85^\circ\text{C}$ | Stable in any global climate |
| Durability | $> 1000$ Mating Cycles | Low wear on bayonet and latch |
📦 Manufacturing & OEM Customization
As a direct manufacturing partner, we provide these heavy-duty components with a focus on supply chain flexibility:
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High-Retention Crimp Sleeves: Kits include reinforced metal sleeves designed to match the Zinc Alloy Stop’s hardness, ensuring a permanent “bite” on the cable jacket.
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Universal Boot Support: Our 2.0/3.0mm boots are made from high-elasticity polymer to provide a smooth bend-radius transition, preventing micro-bends at the connector-cable interface.
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Color-Coded Identifiers: While standard Blue is for OS2 Single-mode, we can provide custom-colored housings for specific high-priority data paths.
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Pre-Sorted Bulk Kits: To save time in factory assembly, we offer “Production-Ready” packaging where ferrules, stops, and housings are sorted for rapid pick-and-place.
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