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KMCAS Series Shielded Style Coupler | cabling solutions supplier

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Straight | Patch Panels, Jacks, Cords & Accessories | HCI

Build stable, high-speed networks with HCI structured cabling products. Our range—covering Straight, RJ45 connectors, modular plugs, patch panels, couplers, patch cords, cable-management tools, and installation accessories—helps installers deliver reliable links with clean routing and predictable results across commercial buildings and data centers.

As a professional manufacturer, HCI engineers matched components to meet common industry standards and maintain consistent channel performance. The designs simplify installation, improve cable organization, and support dependable throughput—making HCI a practical choice for structured networking teams that want fewer callbacks and faster turn-ups.

HCI has supplied cabling solutions since 1975. With over 50 years of experience and modern manufacturing and testing, HCI delivers reliable, high-performance structured cabling products tailored to varied project needs—helping you standardize parts and keep networks running smoothly.

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C6a / C6A / C6 / C5e

Straight - KMCAS Series Shielded Style Coupler
KMCAS Series Shielded Style Coupler

KMCAS Series Shielded Mobile Couplers 

A coupler without a mounting latch is typically meant for joining horizontal cables or extending patch cords beyond a work area outlet. With electromagnetic interference (EMI) in mind, opting for a shielded design is highly recommended to mitigate potential disturbances caused by external noise, voltage fluctuations, or heat generated by nearby motors, halogen lamps, and industrial machines.

Regular RJ45-to-RJ45 couplers can double the Near-End Crosstalk (NEXT) because they accept patch cords at both ends. But with HCI’s KMCAS Series, you can place them anywhere in your setup with confidence, thanks to their near-Component-Rated performance. Curious about how we made this possible? Check out the details below.

Patented Contact Set: Silence the Noise
The plug-and-jack connection is where coupling noise originates. Now, throw two RJ-45 sockets into a 30mm-long coupler housing, and you’ve got double the trouble. But sometimes, you need to patch two cords to extend the connection—that’s where KMCAS comes in. With impedance-matching technology (U.S. Patent 9391405 B1), the generated noise is effectively canceled, minimizing disruption to overall channel performance.
Acting as a junction point inside the link
There are times when a longer cable run is needed, but you don’t have a single cable long enough. In such cases, you need to patch two sections together to extend the reach. HCI’s KMCAS mobile-style coupler is the perfect solution for this. Simply terminate the field-terminable plug at the ends of the cables you need to connect, and plug the coupler in between. The result? Minimal degradation, making it feel as if the KMCAS coupler isn’t even there.
Case Study 2(Relaxed)
Once contractors complete the installation of the permanent link, their work is considered finished. Users then connect their personal computers or laptops using designated patch cords. For aesthetic reasons, the length of these patch cords is often kept short, but there are times when an extension is needed to expand the network. The HCI KMCAS Series mobile style coupler offers flexible placement without compromising transmission performance.
PoE Type 4 Ready
Many installers have faced issues where high-power devices aren’t getting the expected power delivery from the PSE. If both your PD and PSE are "Ethernet Alliance PoE Certified," the next thing to check is your cabling. The cables, patch cords, and connectors in between also need to be 4PPoE certified to handle 90W power. HCI’s KMCAS isn’t just talking the talk - it’s officially listed in the Intertek 4PPoE compliance directory, guaranteed with no compromise!
Made in Taiwan
Extending your network shouldn’t mean compromising performance. HCI’s KMCAS mobile-style coupler effortlessly connects two category patch cords while ensuring top-tier transmission quality. Proudly designed and automatically manufactured in Taiwan with patented innovation, KMCA Series coupler is the reliable choice for extending connections between a work area outlet and your device.
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