SKU: 18336143368

Brainboxes 1 Sfp 4 Port Gigabit Ethernet Switch

$126.42 $140.47
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Description

Brainboxes 1 Sfp 4 Port Gigabit Ethernet SwitchExperience dependable, long range networking with the Brainboxes 1 SFP & 4 Port Gigabit Ethernet Switch. This compact, industrial grade switch combines a 1 x 1000BASE SFP fibre uplink with four 10 100 1000BASE T copper ports, delivering fast, reliable connectivity across campuses, manufacturing floors, data centers, and other demanding environments. Designed to be future proof, it enables seamless integration of fibre optic and copper cabling, so you

Experience dependable, long-range networking with the Brainboxes 1 SFP & 4 Port Gigabit Ethernet Switch. This compact, industrial-grade switch combines a 1 x 1000BASE-SFP fibre uplink with four 10/100/1000BASE-T copper ports, delivering fast, reliable connectivity across campuses, manufacturing floors, data centers, and other demanding environments. Designed to be future-proof, it enables seamless integration of fibre optic and copper cabling, so you can extend long-distance networks without sacrificing performance or scalability. The galvanic isolation across Ethernet ports protects connected equipment from ground loops, electrical transients, and interference—helping to safeguard data integrity and maximize uptime in rugged settings. Automatic data transmission detection paired with auto-MDI/MDI-X means plug-and-play deployment is straightforward, reducing installation time and complexity. Whether you are building new network segments or expanding an existing infrastructure, this Brainboxes switch offers a cost-effective, resilient solution for reliable, high-speed connectivity over extended distances.

  • Flexible fibre-copper uplink hybrid design: A single 1000BASE-SFP fibre uplink paired with four 10/100/1000BASE-T copper ports enables you to mix fibre and copper connections for versatile deployment across campuses, manufacturing floors, or data centers.
  • Industrial-grade reliability with galvanic isolation: Galvanic isolation on each Ethernet port protects linked devices from ground loops and electrical transients, delivering enhanced reliability and uptime in harsh environments.
  • Effortless plug-and-play operation: Automatic data transmission detection and auto MDI/MDI-X eliminate manual configuration, allowing quick, hassle-free setup with a wide range of devices and network topologies.
  • Future-proof, cost-effective design: This switch provides a low upfront investment while supporting gradual network expansion, making it ideal for SMEs, industrial facilities, and growing IT ecosystems seeking scalable long-distance connectivity.
  • Broad compatibility and deployment flexibility: Compatible with a broad spectrum of fibre optic and copper cabling types, empowering you to leverage existing infrastructure while planning for future upgrades.

Technical Details of Brainboxes 1 SFP & 4 Port Gigabit Ethernet Switch

  • Product type: Industrial Gigabit Ethernet switch with 1 SFP port and 4 RJ-45 Ethernet ports
  • Port configuration: 1 x 1000BASE-SFP uplink, 4 x 10/100/1000BASE-T Ethernet ports
  • Port isolation: Galvanic isolation across Ethernet ports to help protect linked devices and reduce ground-loop issues
  • Key features: Automatic data transmission detection and auto MDI/MDI-X for effortless device pairing
  • Deployment considerations: Designed to support long network segments by combining fibre uplinks with high-speed copper access

How to install Brainboxes 1 SFP & 4 Port Gigabit Ethernet Switch

For optimal results, place the switch in a suitable enclosure or rack with adequate ventilation and access to power and cabling. Begin by selecting an appropriate SFP module for the fibre link you plan to use, ensuring compatibility with the fibre type (e.g., single-mode or multi-mode) and the desired link distance. Insert the SFP module into the 1 SFP port and verify a stable link on the connected fibre. Next, connect your four devices to the Ethernet ports (RJ-45) and confirm link status on each port. With automatic data transmission detection and auto MDI/MDI-X, you can simply connect equipment without worrying about cross-over cables or manual configuración. Once everything is connected, power on the switch and verify that data flows across the fibre uplink to the copper devices, ensuring long-distance reach and reliable performance. The design emphasizes rugged reliability, making it suitable for industrial facilities, manufacturing floors, campuses, and data centers where steady, uninterrupted connectivity is critical. In challenging electrical environments, the galvanic isolation helps protect equipment and maintain data integrity, contributing to a robust networking foundation for the future.

Frequently asked questions

  • What is the Brainboxes 1 SFP & 4 Port Gigabit Ethernet Switch used for?

    This industrial-grade switch is designed to extend high-speed networks over long distances by combining 1 SFP fibre uplink with 4 Gigabit copper ports, enabling flexible fibre-copper networking across campuses, manufacturing floors, or data centers.

  • What does galvanic isolation accomplish?

    Galvanic isolation protects connected devices from ground loops and electrical transients, reducing the risk of equipment damage and data corruption in harsh environments.

  • Do I need to configure this switch?

    No complex configuration is required. The switch supports automatic data transmission detection and auto MDI/MDI-X, delivering plug-and-play deployment that works with a wide range of devices and topologies.

  • What kinds of fibre and copper cabling does it support?

    The switch provides a 1000BASE-SFP uplink and four 10/100/1000BASE-T ports, allowing you to pair fibre (via SFP module) with copper Ethernet cables. Fibre compatibility depends on the SFP module you choose (single-mode or multi-mode).

  • Where is this switch best used?

    It’s ideal for expanding networks across campuses, industrial facilities, manufacturing floors, and data centers, especially when long distances are involved and the mix of fibre and copper cabling is advantageous.

  • How many devices can connect to this switch?

    The device provides four RJ-45 Ethernet ports for end devices plus one SFP uplink for fibre connectivity, supporting versatile long-distance networking with robust performance.

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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18336143368

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4.4 ★★★★★
Based on 23 reviews
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Product Reviews
D
Verified Purchase
Doreen
West Palm Beach, US
★★★★★ 5
Works Great!
Much quieter than I was expecting. Lawn had needed this for years, I regained 6"-10" of driveway/sidewalk back. Makes the rest of the neighborhood look bad LOL Only the cleaning up wore me out, but it should be much easier next time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
E
Verified Purchase
Enchanting
Houston, US
★★★★★ 5
Gets the job done for a small lawn
Color: 15-Inch
I have a smaller yard, and this works GREAT!!! I have used it several times now. I do not use the bag because my municipality doesn't pick up yard clippings more than once a year. I mow every 7 to 10 days on a middle setting. The only thing that I can complain about is that it doesn't work well if pulling it in reverse. It still cuts fine, but the rubber flap that keeps the grass from flying back at you is a bit long if you want to be able to pull the mower. It can be removed easily if you choose to, but I would at least recommend wearing eye protection if you take it off since it is there for a reason. It maneuvers easily and gets very close to the edges, so I have not had to weed whack at all! It is a light mower and easy to use. Basic maintenance like keeping it covered or in a dry spot when not in use and flipping it to the side to clean the debris from under it after use, and you should have a good mower for a long time. That being said... I DID get the 3-year warranty on it. I know from a past experience with a different company that electric corded mowers are VERY hard to get serviced, so if anything goes wrong, you basically have to replace it. At least this way, my investment will be guaranteed to last several years.
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Reviewed in the United States on May 6, 2026
H
Verified Purchase
Happy customer
Fort Morgan, US
★★★★★ 5
Worth trying if you want to have fun mowing
Color: 19-Inch-Black
I had already purchased the cute 13” mower from this company and wanted extra batteries. I could have purchased just the batteries and double charger, but it mad more sense to spend a few more dollars and get this larger mower with a side chute so that I could have both types and sizes. The smaller one has a basket, but not a side chute. They’re both incredibly lightweight and easy to use. This one weighs under thirty pounds. It’s box was inside a larger Amazon shipping box which made it harder to get through my front door. I foolishly tried pulling it in, but it kept catching on the storm door. It would have been much easier to simply go around from the back of the house and push it in through the front door so that I could hold the storm door open. Lesson learned. I was able to lift the actual box for the mower. It has push in handles. Carefully lifting the mower out of the box was also fairly easy. And assembly just requires pulling the handles into position and tightening them. I decided to adjust the handle length so it was more comfortable. That might require a helper to hold it if a helper is available. I had to use my legs to hold it in place while I removed the bolts and reinserted them for the new handle length. The height needs to be adjusted so that you can easily move it because it’s set low for shipping. That’s simple with the handle designed for height adjustment. The little key has two prongs which need to be inserted all the way so it works properly. It makes a little clicking sound as it goes into place. The batteries might need to be used and recharged a few times before you can get an idea of how long they’ll last between charges. It’s not reasonable to assume that anyone can mow a large yard in thirty or forty minutes, especially by hand. My yard is around half an acre and it takes hours to mow it by hand with a self-propelled gas mower. A battery powered push mower isn’t going to go faster than a self propelled mower. You’ll be able to mow as much as you can mow before the batteries need to be changed or recharged. If you’re a senior woman like me with chronic medical conditions that cause pain and weakness, chances are that you don’t really want to mow more than thirty or forty minutes without a break anyway. And not having to wrestle with a heavy gas mower is a huge relief. Pushing this mower is like pushing a vacuum. It’s easy to move forward and easy to pull back toward you. Trying to pull a heavy self-propelled gas mower backwards is very difficult and painful for people in my situation. I have lots of bushes and other obstacles to mow around and I get exhausted trying to use my gas mower for this. When I used this nice, lightweight cordless mower, I didn’t get tired at all. I wanted to do a good comparison, so I used this one between two sessions of using the heavy gas mower. With the gas mower, I could only mow for around fifteen minutes before I started to feel like I might collapse. With this mower, I moved over thirty minutes and I actually started to wear out before the batteries did, but I was able to keep mowing until the batteries stopped without feeling like I might collapse any minute. I was able to do housework before and after mowing with this mower. Walking quickly, I mowed around 1/6 of an acre on one charge. Cleaning it is a breeze. Just position it on its side and use a brush with a long enough handle to protect your hands and arms from the blade. You can use a leaf blower on it before and after brushing grass loose, too, if one is handy. And you can put a damp cloth around the brush if you want to wash the residue off. It will probably work best with the side chute in place, but it might handle totally dry grass without the side chute if the grass isn’t terribly long. For a cordless mower under $200, this is a great bargain that could make yard work much less difficult. They have a 16” size with a grass collection bag or basket if you don’t like the side chute style. I have a cordless Craftsman mower with more powerful batteries that’s heavier and much more expensive. I can’t lift that one without hurting myself. This brand was recommended in many online articles as a good, lightweight mower for seniors and people with health conditions. After using it, I can see why. Buying extra batteries is a good idea, but I like having the two different sizes of mowers with batteries that can be shared. I can use this one for mowing and the 13” size for trimming if I prefer to do that. I can’t usually mow the front and back on the same day anymore, so I don’t mind mowing the yard in stages. People can’t see my backyard unless they’re trespassing because it’s surrounded by a fence, so it’s not a problem if it takes two or three days to finish my yard work. And it’s good exercise being able to mow by hand for half an hour at a time. Using this mower isn’t traumatic or painful. And it’s quiet enough to let me hear the birds singing while I mow. I have to wear layers of masks outdoors to avoid serious reactions to certain pollutants, and this mower doesn’t make me out of breath like wrestling with my heavy mower does. This one looks more like a fun mower. The 13” one looks like a fun toy and it’s also fun to use. They will both make my yard work more pleasant. I’ll have to continue using my heavy gas mowers for areas with too many sticks and walnuts dropping from neighbors’ trees, but I’ll use the fun, lightweight ones whenever possible. Using them doesn’t feel like working. They feel like just having fun outdoors. And they can be stored indoors if necessary, especially over the winter. You can’t treat them roughly or you’ll break them. They don’t need rough treatment. They’re designed so that people with weak hands can also use them safely and comfortably. People with health conditions can understand this. Men who want heavy duty tools cannot and they would be better off spending the extra money on heavy duty tools. Seniors and women who are tired of getting hurt while trying to mow the grass will probably be grateful for this mower. I certainly am. And when it eventually breaks, I’ll buy another one. It’s much cheaper than having to pay someone else to do a crummy job mowing my lawn.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
L
Verified Purchase
Lantz Robinson
Dallas, US
★★★★★ 4
It's fine
Color: 13-Inch
It has an easy assembly and works as intended. This mower is not for large yards. It will not work for a large yard. If you have a yard larger than 500sqft in total, it will work, but it's not going to get the job done in one shot. Right now, with the grass being long and unruly, it drains both batteries just doing one half of the total yard I have. I'm sure it will last a lot longer when I'm not having to constantly restart from clogging, but the long grass is a challenge for it. It looks decent and it's quieter than a gas. Unfortunately it's a cheap plastic, so it's a little wobbly and struggles to get over bumps. If you're willing to struggle over uneven terrain and cut a bit low in spots, go for it. Otherwise try to mow as flat a surface as possible. Also you can stick a rod to prop open the clipping hatch if you're sick of constantly dumping the thing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
J
Verified Purchase
Jeff Bezos
Fort Morgan, US
★★★★★ 5
Exceeded Expectations
Color: 19-Inch-Orange
I feel like I am about to jinx myself by writing this review after one mow. For background, for the past few years I have been using a Greenworks 21inch deck mower. The batteries were awful on it, it cut awful, it seemed like it would cut out when it sensed I was about to get to the taller bits of grass. It honestly turned me off of buying an electric mower because I felt they were all the same. Que this mower. I read the reviews, figured it was worth a shot and wow I can’t believe I dealt with that Greenworks mower for this long. The LawnMaster mower was easy to put together and there was even juice in the batteries. When I started mowing my front lawn, I was amazed that there was no pieces of grass that it missed, unlike my last mower. The LawnMaster feels very lightweight and I am amble to maneuver it with ease. The size of the deck is perfect since i don’t have a huge yard, and it’s very quiet. So I’m suspiciously optimistic and if it continues to impress me, you better believe I’ll be buying a trimmer from LawnMaster too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026

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