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SC/UPC Fiber Fast Connector – Terminate Field Fiber in Minutes, No Fusion Splicing Required
Factory‑pre‑polished SC/UPC – no field hand polishing required.
Mechanical splice with precision V‑groove for accurate core alignment.
Pre‑cleaved fiber stub with index‑matching gel enables immediate low‑loss termination.
Insertion loss: typical ≤0.25 dB, max ≤0.5 dB; return loss ≥45 dB.
Compatible with single‑mode and multimode fibers.
Supports various cable types (tight‑buffer, drop cables).
No epoxy, adhesive, or power tools needed for assembly.
Rated for >1.000 mating cycles with minimal performance drift.
What is an SC UPC Optical Fiber Fast Connector?
The SC UPC optical fiber fast connector is a factory pre‑polished, field‑installable termination device that enables rapid, low‑loss fibre connections without the need for epoxy, adhesive, or hand polishing. It combines a precision V‑groove mechanical splice, a factory pre‑cleaved fibre stub, and index‑matching gel to achieve immediate optical termination with UPC‑grade return loss performance. Designed for FTTH, LAN, CATV, and emergency restoration applications, this connector allows installers to terminate single‑mode or multimode fibres in minutes using only basic preparation tools – making it an essential solution for high‑efficiency field deployment.
SC UPC Fiber Fast Connector Specification parameters
- Specification parameters
- OPTICAL CHARACTERISTICS
| Product parameters | Type | Technical parameters | Environmental parameters |
|---|---|---|---|
| Low insertion loss | embedded | Fiber diameter: 125um-900um | Operating temperature: -40°–85° |
| High return loss | Interpolation loss: THE ≤0.3dB; ≤0.5dB | Temperature cycle: IL Value Change ≤0.3dB | |
| High reliability and high stability | Return loss: RL ≥40dB | Vibration: THE value change ≤0.3dB | |
| Data can be customized according to customer requirements | Flood disaster: THE value change ≤0.3dB | ||
| Repeatability: THE value change ≤0.3dB |
Product Structure & Composition
SC Push‑Pull Housing
SC rectangular housing with push‑pull latch for tool‑less mating; blue housing for UPC SM identification.
Pre‑Polished Zirconia Ceramic Ferrule
2.5mm zirconia ferrule with factory UPC polish ensures low IL and high RL; no field polishing needed.
Mechanical Splice with V‑Groove Alignment
V‑groove aligns field fiber with pre‑cleaved stub, ensuring accurate core alignment without fusion splicing.
Index‑Matching Gel
Proprietary gel fills gap between fibers, eliminating air and minimizing reflection at the splice.
Strain‑Relief Boot and Cable Compatibility
Flexible boot provides strain relief; supports 900μm, 2.0mm, 3.0mm round, and FTTH drop cables.
Benefits of SC UPC Fiber Fast Connector
Fast Field Termination – No Epoxy, No Polishing
Ready to install out of the box; requires only a fibre stripper, cleaning wipes, and a precision cleaver. No adhesives, power, or polishing films needed – termination takes just 2‑3 minutes. The V‑groove mechanical splice ensures stable core alignment, rated for >1.000 mating cycles and 50N tensile load for long‑term reliability.
UPC‑Grade Optical Performance
Factory pre‑polished UPC ferrule delivers typical IL ≤0.25dB and RL ≥45dB, ensuring low attenuation and reflection for high‑speed FTTH, enterprise, and CATV networks.
Versatile Compatibility and Flexible Installation
Supports 900μm, 2.0mm, 3.0mm round cables, and 2.0×3.0mm FTTH drop cables. Available in pre‑embedded, screw‑type, and snap‑on housing designs, with length options from 50mm to 60mm to suit various panel depths.
Engineering Applications SC UPC Fiber Fast Connector
Shipping & Packaging
Product Comparison：
SC UPC Fast Connector (Pre‑Polished) vs. Field‑Polish SC UPC Connector
| Feature / Dimension | SC UPC Fast Connector (Pre‑Polished) | Field‑Polish SC UPC Connector (Epoxy/Polish) |
|---|---|---|
| Termination Method | Mechanical splice with pre‑polished ferrule and index‑matching gel. | Epoxy adhesive + manual polishing with polishing films. |
| Tools Required | Stripper, wipes, cleaver - no power or adhesives. | Stripper, cleaver, epoxy, curing oven, polishing puck, polishing films, microscope. |
| Typical Insertion Loss | ≤0.25dB (average), ≤0.5dB (max). | ≤0.15dB (average) - lower loss achievable with skilled polishing. |
| Typical Return Loss | ≥45dB (UPC). | ≥50dB (UPC) - higher return loss with skilled polishing. |
| Field Skill Requirement | Low - minimal training required. | High - requires polishing expertise and experience. |
| Environmental Suitability | Ideal for field deployment - works in challenging environments (poles, manholes). | Best suited for workshop or controlled environments. |
| First‑Time Success Rate | ≥98%. | Highly dependent on installer skill; lower for inexperienced technicians. |
| Reusability | Re‑insertable up to 2‑5 times. | Typically single‑use; requires full re‑termination. |
| Cost (Relative) | Higher per‑unit cost, but lower total installed cost for field deployment. | Lower per‑unit cost, but higher labour and training costs. |
| Best For | FTTH deployment, emergency restoration, field termination, low‑volume customisation. | Factory production, high‑volume manufacturing, applications requiring absolute lowest loss. |
SC UPC Fiber Fast Connector Selection Guide
How to Choose the Right SC UPC Fast Connector
When selecting an SC UPC fast connector, start with fibre type: choose the single‑mode version (blue housing) for G652D/G657A fibres, or the multimode version (aqua/beige housing) for OM1‑OM5 fibres. The connector's ferrule and splice mechanism are optimised for the specific fibre core diameter.
Next, determine the cable diameter. The connector is available with boots for 900μm tight‑buffer (indoor distribution), 2.0mm and 3.0mm round cables (general premises), and 2.0×3.0mm FTTH drop cables (subscriber access). Select the boot that matches your cable's outer jacket to ensure proper strain relief and a secure fit.
Consider the housing style: pre‑embedded (pre‑stubbed) designs offer the simplest installation – just insert, cleave, and clamp. Screw‑type designs provide additional mechanical security for high‑vibration environments. Snap‑on (clip‑on) designs enable the fastest assembly for high‑volume deployment.
Evaluate length requirements: connectors are available from 50mm to 60mm. Shorter lengths (50‑53mm) are suitable for compact enclosures and terminal boxes; longer lengths (55‑60mm) provide more handling room for field technicians and are preferred for outdoor cabinets and ODFs.
Finally, assess the installation environment: if terminating in challenging outdoor locations such as telephone poles or manholes, choose a connector with robust sealing and a design that allows one‑handed assembly.
Installation Instructions
Step 1: Prepare the Fibre
Strip the cable jacket and buffer coating to expose the bare fibre. Use a precision fibre stripper to remove the 900μm tight buffer, then clean the exposed fibre with an alcohol‑wet tissue to remove any contaminants.
Step 2: Cleave the Fibre
Using a precision fibre cleaver, cut the bare fibre to the specified length (typically 8mm). Ensure a clean, perpendicular cleave for optimal optical performance.
Step 3: Insert the Fibre into the Connector
Pass the prepared fibre through the screw cap and fibre guide, then insert it into the connector body. Continue inserting until the fibre bends slightly – this indicates proper seating against the pre‑cleaved stub.Step 4: Lock and Assemble
Push the fixed ring forward to lock the fibre in place, then tighten the screw cap. Install the SC housing to complete the connector assembly.
Step 5: Inspect and Test
Inspect the connector end‑face using a fibre microscope to verify cleanliness and the absence of scratches or debris. If required, test the connection with an optical power meter or OTDR to confirm insertion loss is within specification.
Download YRTFIBER Product Catalog
Factory Real Shot
Frequently Asked Questions & Quick Inquiry
SC UPC Fiber Fast Connector FAQ
What is the typical insertion loss of the SC UPC fast connector?
Typical insertion loss is ≤0.25dB, with maximum ≤0.5dB. Premium variants can achieve ≤0.2dB average.
What is the return loss specification?
Return loss is ≥45dB for UPC polish, with some variants achieving ≥50dB.
Do I need to polish the fibre after installation?
No. The connector is factory pre‑polished – no field polishing is required at any stage.
What tools do I need for installation?
Only three tools: a fibre stripper, cleaning wipes, and a precision fibre cleaver. No epoxy, no adhesives, no power supply, and no fusion splicer are needed.
Can the connector be reused?
Yes, the connector can be re‑inserted up to 2‑5 times, making it suitable for temporary connections and rework.
What fibre types are supported?
The connector supports single‑mode fibres (G652D, G657A) and multimode fibres (OM1‑OM5, 50/125μm and 62.5/125μm).
What cable diameters are compatible?
Supports 900μm tight‑buffer, 2.0mm round, 3.0mm round, and 2.0×3.0mm FTTH drop cables.
What is the operating temperature range?
The connector operates from -40°C to +85°C, suitable for both indoor and outdoor (protected) environments.
Is the connector compliant with telecom standards?
Yes, it meets telecom‑grade standards and is suitable for carrier‑grade FTTH, FTTx, and telecom network deployments.
What is the difference between pre‑embedded, screw‑type, and snap‑on designs?
Pre‑embedded (pre‑stubbed) has the fibre stub factory‑installed for simplest assembly. Screw‑type uses a threaded locking mechanism for additional mechanical security. Snap‑on (clip‑on) enables the fastest assembly with a clip‑locking design.
Can this connector be used for emergency fibre restoration?
Yes. The fast connector is ideal for emergency restoration – field technicians can restore service in minutes without fusion splicing equipment.
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