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Description
Cisco 100BASE-LX10 Rugged SFP for Fast Ethernet SFP PortsThe Cisco 100BASE LX10 Rugged SFP for Fast Ethernet SFP Ports delivers dependable, long range fiber connectivity for Cisco switches and routers, even in demanding environments. Engineered to handle ordinary single mode fiber (SMF) links up to 10 kilometers, these SFP modules empower robust uplinks across campuses, distribution rings, or industrial sites. Available in two configurationsthe GLC FE 100LX and the GLC FE 100LX RGDthis family gives you
The Cisco 100BASE-LX10 Rugged SFP for Fast Ethernet SFP Ports delivers dependable, long-range fiber connectivity for Cisco switches and routers, even in demanding environments. Engineered to handle ordinary single-mode fiber (SMF) links up to 10 kilometers, these SFP modules empower robust uplinks across campuses, distribution rings, or industrial sites. Available in two configurations—the GLC-FE-100LX and the GLC-FE-100LX-RGD—this family gives you flexible options for Fast Ethernet or dual-rate Fast/Gigabit deployments while preserving Cisco reliability, compatibility, and plug-and-play simplicity.
- Long-range 100BASE-LX10 operation: 1310 nm laser on ordinary single-mode fiber supports distances of up to 10 km, enabling scalable networks without the need for extra repeaters or amplifiers.
- Two module configurations for varied environments: GLC-FE-100LX for standard Fast Ethernet deployments and GLC-FE-100LX-RGD for rugged or demanding settings. Both versions share the same Cisco SFP footprint and compatibility with Cisco switches and routers.
- Rugged, professional design for harsh environments: built to withstand challenging conditions typical of industrial, outdoor, or distribution-center deployments, while maintaining reliable fiber performance in a compact SFP form factor.
- Plug-and-play compatibility with Cisco devices: hot-swappable, supports the IEEE 802.3u 100BASE-LX standard, and works seamlessly with Cisco Fast Ethernet or dual-rate Fast/Gigabit ports across a wide range of Cisco switches and routers.
- Energy-efficient and dependable performance: optimized for stable 100 Mbps operation with minimal power impact, delivering consistent throughput and reliable links for critical network applications.
Technical Details of Cisco 100BASE-LX10 Rugged SFP for Fast Ethernet SFP Ports
- Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference
How to install Cisco 100BASE-LX10 Rugged SFP for Fast Ethernet SFP Ports
Follow these steps to install the SFP module in a Cisco switch or router and establish a reliable Fast Ethernet fiber link.
- Power down or place the target port in a safe state according to your maintenance policy before inserting the SFP to minimize ESD risk.
- Insert the SFP firmly into the available SFP slot until it seats with a decisive click, ensuring a secure mechanical connection.
- Connect the fiber cable: use LC duplex single-mode fiber, ensuring proper transmit/receive orientation and clean, dust-free connectors for optimal optical performance.
- Power up the device (or re-enable the port) and verify link status with the device’s management interface; an active link indicator confirms a successful connection.
- Configure the port for 100BASE-LX10 operation or enable auto-negotiation as supported by the device, then test the link with a network tester to confirm throughput and stability across the 10 km link.
Frequently asked questions
- What networks is the Cisco 100BASE-LX10 SFP suitable for? It is designed for Fast Ethernet networks requiring long-range SMF links, such as campus backbones, distribution layers, and industrial sites where reliable 100 Mbps connectivity over fiber is needed.
- What is the maximum fiber distance? The 100BASE-LX10 module supports up to 10 kilometers on ordinary single-mode fiber, enabling large-scale inter-building or outdoor links without additional amplification.
- Which Cisco devices support these SFPs? The modules are compatible with Cisco switches and routers that feature compatible SFP ports for Fast Ethernet or dual-rate Fast/Gigabit operation, following the 100BASE-LX10 standard and Cisco’s SFP ecosystem.
- Are there two versions available? Yes. The GLC-FE-100LX is the standard Fast Ethernet version, and the GLC-FE-100LX-RGD is the rugged variant designed for harsher environments while maintaining the same optical performance and footprint.
- What connectors are used? The modules use standard LC duplex fiber connectors compatible with SMF fiber cables commonly deployed for 100BASE-LX10 networks.
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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Overkill In A Good Way
Size: 1.5FT, Size: 1.5FT
Bought this UGREEN Cat 8 Ethernet cable to connect my router to my modem, and it works perfectly. Build quality is excellent — thick braided but bendable cable, solid connectors, and it clicks in snug. Definitely feels more durable than the cheap cables you usually get.
Speeds are stable with no drops or lag, and setup was plug-and-play. The 1.5 ft length is perfect for short runs and keeps everything looking neat instead of having extra cable everywhere.
Is Cat 8 probably more than most people need? Yeah, as it is more than enough for home internet speeds of 1 to 2 gigs. But for its value, it’s nice to know it’s future-proof for many homeowners and the speeds currently offered by today’s ISPs. Would absolutely buy again.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Glad I Bought the Better Cable
Size: 50FT
I originally looked at some cheaper Ethernet cables, but my son talked me into spending a little more for this one. I’m glad I listened.
The cable feels well made, and the braided design seems sturdy. I bought it for my fiber internet setup so I could have a reliable wired connection to my laptop.
It has worked perfectly. I plugged one end into the router and the other end into my adapter, and that was it. No issues, no disconnects, and no problems.
Sometimes it is worth paying a little more for something you only want to buy once. This cable was worth it.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
A Must if you have Fiber internet!!!
Size: 10FT
I recently got fiber internet installed and decided to upgrade my Ethernet cable from Cat 7 to this UGREEN Cat 8 cable—mostly just because I wanted to make sure my network setup was fully up to date. I honestly wasn't expecting much of a difference, but I was surprised to see over a 20% increase in speed after swapping out the cable.
The cable itself is extremely high quality. The braided exterior feels durable and premium, and the connectors are solid and well-made. Everything about it gives the impression of a quality product designed to last.
Whether the speed improvement was due to my previous cable or not, I'm very happy with the results. For anyone upgrading their network, especially with fiber internet, this was a worthwhile upgrade and well worth the money.
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Reviewed in the United States on June 7, 2026
★★★★★ 5
UGREEN Cat 8 6FT Braided – Finally a short cable that actually hits 40 Gbps in real life
Size: 6FT
⭐⭐⭐⭐⭐
UGREEN Cat 8 6FT Braided – Finally a short cable that actually hits 40 Gbps in real life
I have a 10 Gbit NAS (Synology DS1823xs+) sitting right behind my gaming PC, and every “Cat8” cable I tried before this one was either stiff boat-anchor thick or straight-up lied about speed. This UGREEN 6 ft braided version is the first one that actually delivers.
Real-world tested speeds
iperf3 PC ↔ NAS: sustained 39.4 Gbps bidirectional (that’s ~4.9 GB/s)
Large 4K/8K file transfers: 4.7–4.8 GB/s steady, no drops
Zero packet errors after 48 hours of torture testing
Build quality & practicality
Flat braided jacket is super flexible, looks premium, and doesn’t turn into a tangled mess like round Cat8 cables
Gold-plated contacts, double shielding, and it passes a Fluke DSX-8000 Cat8 Channel test (yes, I’m that guy)
Perfect 6 ft length, no excess coil behind the desk causing signal reflections
Snagless boot actually works, no more broken clips
Why I love it for desktop use
Runs cool even at full 40 Gbps load (barely warm)
Way less stiff than the usual shielded Cat8 firehoses, easy to route under a desk or through a cable sleeve
Latency is stupid low: 0.22 ms average to my NAS vs 0.45 ms on my old Cat6a round cable
Only “con” (and it’s tiny): it’s flat, so if you’re one of those people who religiously wants perfectly round cables for aesthetics, you might not like it. Everyone else on planet Earth will think it looks cleaner anyway.
For $14, this is the best short-hop 40 Gbps cable on Amazon, bar none. Already replaced every 1–10 ft run in my office with these. If you have 10G+ gear sitting close together and you’re still using Cat6 or stiff Cat8, do yourself a favor and grab a couple. You’ll instantly feel the difference.
10/10 – UGREEN absolutely crushed it with this one.
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Still the best ethernet cable out there right now
Size: 6FT
I ordered several of these cables a couple years ago and they are still the best cables I have ever purchased. The Cat8 speed rating is great. These are very well built with the outer covering and the quality connectors and covers over them. Fast data transfer wtih Cat8. I am ordering more tonight to replace some other cables as these just look, feel and work premium.
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Reviewed in the United States on May 12, 2026