SKU: 5845374009

Black Box Cat.6 Coupler - Unhielded, Straight-Pin, Office Black, 10-Pack

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Description

Black Box Cat.6 Coupler - Unhielded, Straight-Pin, Office Black, 10-PackDesigned for busy IT environments, the Black Box Cat. 6 Coupler is built to simplify network expansion without re terminating existing drops. This 10 pack of unshielded, straight pin RJ 45 connectors provides a dependable method to extend CAT6 runs while maintaining signal integrity and minimizing latency. The compact, low profile housing hides neatly under desks, behind panels, or inside cable trays, reducing visual clutter in shared spaces. Each

Designed for busy IT environments, the Black Box Cat.6 Coupler is built to simplify network expansion without re-terminating existing drops. This 10-pack of unshielded, straight-pin RJ-45 connectors provides a dependable method to extend CAT6 runs while maintaining signal integrity and minimizing latency. The compact, low-profile housing hides neatly under desks, behind panels, or inside cable trays, reducing visual clutter in shared spaces. Each coupler features two RJ-45 female jacks and an internal pin layout engineered to preserve impedance and reduce crosstalk, ensuring consistent performance in typical office bandwidth scenarios. It supports both T568A and T568B wiring, allowing seamless integration with any network switch, router, or NIC. The unshielded configuration is ideal for most indoor networks where external shielding is unnecessary and installation speed matters. With a 10-pack in your toolbox, IT teams can standardize extensions across multiple workstations, conference rooms, or lab benches, eliminating last-minute trips to the store for small adapters. The office-black color provides a professional look in any environment, from open-plan offices to executive suites. Quick to install, easy to replace, and backed by the assurance of Cat6 performance standards, these couplers are a practical, scalable solution for growing networks. They are designed to withstand daily office use, with robust plastic housing and reliable RJ-45 contact pins that resist wear from repeated connections. If you frequently relocate equipment, reconfigure network layouts, or bundle new devices into your existing Ethernet infrastructure, these Cat6 couplers let you do so with minimal downtime and maximum predictability. Whether you’re outfitting a single workstation or outfitting an entire office floor, you’ll appreciate the repeatable results and cost savings delivered by this 10-pack of Cat6 couplers.

  • Two RJ-45 (8-wire) modular jacks on each coupler provide a seamless link between two straight-pinned Cat6 cables, making it effortless to extend your network run in minutes rather than hours.
  • Unshielded (UTP) design offers flexible deployment in desks, racks, walls, and raised floors, while minimizing cost and complexity for everyday office networking.
  • Straight-pin configuration ensures compatibility with standard RJ-45 termination in both T568A and T568B wiring schemes, supporting universal interoperability with current switches, routers, and NICs.
  • Exceeds Cat6 performance standards, delivering reliable gigabit and multi-gigabit data transmission over standard Cat6 cables while minimizing cross-talk and alien crosstalk in typical office environments.
  • Office-black housing with a durable build provides long-lasting reliability for bulk deployments. This 10-pack is ideal for multi-workstation setups, conference rooms, or campus installations where consistent, repeatable results are required.

Technical Details of Black Box Cat.6 Coupler - Unshielded, Straight-Pin, Office Black, 10-Pack

  • Pack quantity: 10 couplers
  • Type: Unshielded Cat6 coupler (UTP)
  • Connectors: 2 x RJ-45 female jacks
  • Wiring compatibility: Supports both T568A and T568B
  • Category: Cat6 performance compliant
  • Performance: Exceeds Cat6 standards for reliable high-speed data transfer
  • Color: Office Black
  • Material: Durable plastic housing designed for desktop and in-wall installations

how to install Black Box Cat.6 Coupler

  • Step 1: Inspect the two Cat6 cables you intend to connect to ensure both are in good condition and terminated with standard RJ-45 connectors.
  • Step 2: Align one Cat6 cable's RJ-45 plug with the left RJ-45 jack on the coupler and push firmly until it seats securely.
  • Step 3: Align the second Cat6 cable's RJ-45 plug with the right RJ-45 jack on the coupler and push firmly until it seats securely.
  • Step 4: Verify that the coupler sits flush with the cables and that both connections are snug to prevent inadvertent disconnections.
  • Step 5: Test the extended link with a network tester or by performing a data transfer test to confirm stable connectivity and expected speeds.

Frequently asked questions

  • Q: What is a Cat6 coupler and what does it do? A: A Cat6 coupler is a passive connector that joins two Cat6 Ethernet cables to extend the distance of a network run while preserving Cat6 performance.
  • Q: Is this coupler unshielded or shielded? A: The Black Box coupler is unshielded (UTP), designed for cost-effective deployments in typical office environments where shielding is not required.
  • Q: Can I use it with any Cat6 cable? A: Yes, this coupler supports standard Cat6 UTP cables and is compatible with both T568A and T568B wiring schemes.
  • Q: Will this work for 10G Ethernet? A: Cat6 cables support 10GBASE-T up to a limited distance; the coupler preserves Cat6 performance, but actual speeds depend on cable length and environment.
  • Q: How many couplers are in the package? A: The package contains 10 couplers to satisfy bulk deployments and multiple networking needs across an office.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 5845374009

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4.1 ★★★★★
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SirTW
Dallas, US
★★★★★ 4
Not as advertised, but I like it! This run runs small and not the blend stated.
Size: 4X-Large, Color: Sky Blue
I rely on your reviews a lot, so I am paying it forward here. I needed a summery, lightweight linen type shirt with long sleeves because I'm an old, fat guy and I'm getting those ugly, purple bruises on my arms (if you're under 65, just wait ;). I just got my shirt today. I read the reviews and everybody said the quality, sizing and the material were all over the board and mine is no different. The label on mine says 60% cotton, 30% viscose and 10% linen. That's a far cry from the 70% Rayon and 30% Linen as stated. However, this material is very light and smooth and has a lot of stretch. The label can't be correct for the material to have this much stretch, but I like it. It doesn't look anything like the picture either. It has a sort of linen like look, but more of a chambray weave look I would say. And it smells oddly nice, too. I'm sure whatever the smell is will go away after washing, but for now, it's a nice, pleasant, new shirt smell. Must be the Viscose or whatever is in this shirt. It definitely has at least 2% Lycra to be able to stretch like this. Also, the sizing is way off. For reference, I am 5'6" and 270 with a 52" waist (I told you, old, short and fat :). Many of the reviewers said it ran small, so I ordered up to a 4x and it fits just about perfectly for me. I normally wear a 3x and in some shirts that's too big. This is loose enough but not blousey and most importantly, covers my big belly nicely. The stretch in the fabric is a bonus. So I guessed right with the 4x. However, read the reviews and you will see that the sizing appears to be all over the board. Finally, the pocket is oddly small. It is fine for my purposes and I absolutely need a pocket to put my sunglasses in and other various little things, but at least in my version, beware that the pocket is oddly small. I think I got lucky with my order and got what I wanted by default. I will have to be careful washing it, or it might shrink too much (there's no telling what this fabric really is). It is also fairly wrinkled out of the package, but being the cotton/viscose blend that it says it is, it should iron out nicely and not wrinkle with wearing. We shall see. I'm impressed with the silky feeling and light weight of this shirt and although it doesn't really look like a linen shirt, it looks casual enough for me to fit the bill. I will be wearing it with the sleeves rolled up anyway, as I just needed something that looks casually sharp and can cover the ugly bruises on my forearms. As you can tell if you read through the reviews, what you might get seems to be somewhat of a crap shoot, but I like mine, so good luck!
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Reviewed in the United States on May 22, 2024
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Grandpa Johnny
Dallas, US
★★★★★ 5
Worth the money
Size: XX-Large, Color: Sage Green
Shirt seems to be good quality.
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Reviewed in the United States on May 22, 2026
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Samantha
Fort Morgan, US
★★★★★ 3
It’s nice
Size: X-Large, Color: Sky Blue
This men’s long sleeve linen shirt is lightweight and breathable, which makes it comfortable for warmer weather. The fit is okay, but it doesn’t hold its shape very well and wrinkles easily, which can make it look a bit sloppy. The material feels a little thin, and while it’s casual and easy to wear, it doesn’t have the high-quality feel I was hoping for. Overall, it’s fine for relaxed occasions, but not a standout piece.
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Reviewed in the United States on March 13, 2026
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Vijay Thakkar
Natrona Heights, US
★★★★★ 1
Sizes are not standard and color is not accurate per the photos
It did not fit well. The size is not true to the standard and runs larher. Also the color is more burgundy online but the actual fabric is more like a bright tomato red.. color mismatch was the biggest disappointment.
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Reviewed in the United States on May 11, 2026
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Talat Halman
Draper, US
★★★★★ 5
Excellent shirt feels like cotton
Size: X-Large, Color: Sage Green
Excellent shirt.
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Reviewed in the United States on April 25, 2026

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