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Future‑Ready Spliceless Fiber Rollouts with STL CONCAT

STL CONCAT is a next-generation spliceless fiber cable assembly system designed to transform the way fiber networks are deployed. Traditional FTTx rollouts rely heavily on fusion splicing in the field, a process that is labor-intensive, time-consuming, and prone to inconsistencies. STL CONCAT transforms FTTx network deployments with its spliceless, plug-and-play design. The innovative solution features factory-assembled, pre-connectorized fiber segments, ensuring faster, error-free installations, superior quality, and significant cost savings. With pre-connectorized assemblies and closures on hand, STL CONCAT enables fast emergency recovery. Only the feeder splice is needed, everything else is plug-and-play, saving splicer time and restoring service when every minute counts.

Built on a modular architecture, STL CONCAT integrates four core elements: closures housing plug-and-play connectors, pre-terminated MPO-LC cable assemblies for seamless distribution-to-access interconnection, drop splitter modules to extend signal closer to the user, and a reusable reel system for simplified handling and reduced on-site waste. Each component undergoes rigorous factory testing to guarantee optical integrity, durability, and ease of installation.

Adaptable to aerial and underground networks, STL CONCAT supports FTTH and FTTB applications across both dense urban areas and underserved rural regions. By combining operational efficiency with future-ready scalability, it enables service providers to expand broadband reach quickly and reliably, bridging the digital divide with high-performance fiber infrastructure.

Key Benefits

STL CONCAT has been developed to address the growing need to reduce or eliminate splicing in fiber rollouts. By enabling plug-and-play connectivity, it accelerates time-to-market, overcomes the shortage of skilled manpower, and reduces overall total cost of ownership, driving faster, more efficient broadband network expansion.

Enable easy installation and maintenance for rapid deployment

Reduce labor dependency and lower overall network TCO

Simplify branch point management with modular flexibility

Ensure adaptability across aerial and underground networks

Smart Fiber Architecture for Faster Rollouts

Designed for versatility and reliability, STL CONCAT supports efficient branching, easy handling, and scalable deployments.

CONCAT Solution

Drop Symmetrical Splitter Module

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MPO - LC Cable Assembly

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Reusable Reel

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CONCAT Closure

STL CONCAT Closure delivers fast, reliable FTTx rollouts with its pre-connectorized, modular design. Tested to Telcordia standards for performance and durability, it simplifies MPO-to-LC concatenation, reducing field labor while enabling flexible, future-ready network configurations. The CONCAT Closure aerial mounting bracket is designed for easy installation on poles. It offers up to 250 feet of integrated slack storage, ensuring clean cable management and reducing the need for additional hardware during deployment.

Features and Benefits

Spliceless MPO - LC Concatenation
The 16F pre-connectorized cassette simplifies installation by eliminating field splicing. This plug-and-play architecture reduces skilled labor requirements and accelerates deployment timelines.

Multiple Branching Options
Designed to handle up to three branching architectures, offering scalability and reducing the need for additional field enclosures.

Dual-Compartment Closure Design
Dedicated compartments for feeder/distribution and subscriber drops improve cable organization, reduce installation errors, and allow for quicker troubleshooting and maintenance

Splitter Module Integration Splitter Module Integration
Accommodates up to two USMB plug-in symmetrical optical splitters (1x2, 1x4, or 1x8), offering flexibility in signal routing and enabling efficient use of fiber assets closer to the end user

CONCAT Drop Symmetrical Splitter Module

STL Splitter Modules are compact, high-performance optical splitters for efficient signal distribution in FTTx and access networks. Available in multiple variants, they integrate seamlessly into closures and cabinets, delivering reliable performance across wide wavelength ranges and harsh environments, tested to Telcordia standards.

Features and Benefits

Multiple Split Ratios
Available in 1x2, 1x4, and 1x8 variants to suit different network architectures

Ultra-Compact
The small form factor saves space in closures and simplifies integration.

Integrated Mounting Solution
Allows easy installation into fiber management systems without additional hardware.

Field-Ready
Operates reliably in extreme temperatures from -40°C to +70°C for outdoor and indoor deployments.

CONCAT MPO-LC Cable Assembly

STL CONCAT MPO–LC Cable Assembly is a pre-connectorized solution for fast, high-performance FTTx access and drop deployments. Available in pre-coiled lengths up to 1,000 feet, it supports aerial, buried, and duct applications. Featuring flat ADSS IBR cable and a factory-integrated MPO–LC/APC fanout, it ensures easy installation, long spans, and protected connector integrity.

Features and Benefits

ADSS IBR Cable
Enables longer aerial spans and supports easy fusion splicing at distribution hubs, reducing installation time and cost.

Efficient Fanout Construction
16F MPO to 16F LC/APC fanout enables high-density terminations with reduced field work.

Protective LC Connector Box
Ensures connector protection during handling and transport, preserving factory polish and alignment

Cable Assembly V3
Pulling sock supports routing through 14/18 mm ducts while shielding the MPO end.

Reusable Reel

STL Reusable Reel Assembly is a rugged, field-friendly solution for deploying pre-connectorized fiber coils up to 1,000 feet. Its reusable design enables quick loading, easy transport, and smooth, tangle-free cable payout, reducing packaging waste while boosting installation efficiency in both aerial and underground applications.

Features and Benefits

Anti-Free-Spin
Easy-to-activate braking system eliminates uncontrolled reel spin and ensures smooth cable payout.

Symmetric Lockable Design
Allows quick coil reloading and easy reel separation for efficient handling and reuse.

Coil Sizes
Accommodates fiber coil lengths up to 1,000 ft for deployment flexibility.

Sustainable
Designed for multiple uses, reducing packaging waste and total cost of ownership in large-scale fiber rollouts.

Learning Resources

Datasheet

CONCAT Solution

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