Description
The Locking Advantage
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Positive Lock, Zero Doubt: The quick-twist, bayonet coupling mechanism provides an audible and tactile click, ensuring a secure mate that resists accidental disconnection from vibration, cable stress, or incidental contact.
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Built for the Real World: With a durable ceramic ferrule and rugged housing, it withstands the demands of frequent reconfiguration in patch panels and the harsher conditions of factory floors or transportation networks.
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Seamless Legacy Integration: Designed to plug directly into the vast installed base of ST-based infrastructure, making network upgrades, expansions, and repairs straightforward and cost-effective.
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Performance You Can Trust: Featuring UPC polish for low insertion loss (< 0.3 dB), it ensures clean signal transmission for your critical single-mode applications, from data backbones to digital video.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | ST/UPC-12core-SM |
| Fiber Type / Standard | Single-Mode (SM), G.652.D |
| Connector Type | ST/UPC (Bayonet Coupling) |
| Jacket Color | Yellow (Standard for SM) |
| Operating Wavelength | 1310 nm, 1490 nm, 1550 nm |
| Insertion Loss | ≤ 0.3 dB |
| Return Loss | ≥ 50 dB |
| Durability | ≥ 500 mating cycles |
| Ferrule Material / Diameter | Ceramic, Ø2.5 mm |
| Cable Jacket | LSZH (Low Smoke Zero Halogen) |
| Operating Temperature | -20°C to +75°C |
Expert Q&A
Q: The market has moved to smaller connectors. Why still specify ST?
A: While LC dominates high-density data centers, the ST connector remains the de facto standard for ruggedness. Its locking mechanism is superior in environments with vibration (industrial, rail, utility) or where a positive, pull-resistant connection is critical for network integrity and safety. It’s a choice driven by mechanical requirements, not density.
Q: How does the ST’s durability compare to an SC connector?
A: The ST’s bayonet lock is inherently more resistant to accidental unplugging than the SC’s push-pull latch, especially under constant cable strain or vibration. The metal coupling nut on many ST connectors also offers greater physical resilience over thousands of mate/de-mate cycles compared to plastic SC housings.
Q: What’s the key to a proper ST installation?
A: Engage and twist until it clicks. Ensure the connector’s key is aligned with the adapter slot before applying rotational force to lock it. A proper installation results in a secure, wobble-free connection. Never force it if misaligned, as this can damage the ferrule end-face.
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