SKU: 66141070666

Cisco ONS-SI-2G-L1 2.5GB OC48 1310nm SMF SFP Transceiver

$137.69 $152.99
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Description

Cisco ONS-SI-2G-L1 2.5GB OC48 1310nm SMF SFP TransceiverThe Cisco ONS SI 2G L1 is a reliable, high performance SFP transceiver for single mode fiber (SMF) networks. Its OC48 data rate capability offers impressive communication speeds of up to 2. 5GB. This transceiver operates at 1310nm, allowing excellent signal transmission over long distances on SMF cables without any loss in quality or performance. The use of single mode fibers ensures minimal dispersion and attenuation, resulting in stable connections

The Cisco ONS-SI-2G-L1 is a reliable, high-performance SFP transceiver for single-mode fiber (SMF) networks. Its OC48 data rate capability offers impressive communication speeds of up to 2.5GB.

This transceiver operates at 1310nm, allowing excellent signal transmission over long distances on SMF cables without any loss in quality or performance. The use of single-mode fibers ensures minimal dispersion and attenuation, resulting in stable connections even across extensive network infrastructures.

It is an industry-standard Small Form-Factor Pluggable (SFP) module that guarantees compatibility with networking devices offering SFP slots. Hot-swappable capabilities for easy installation or replacement without interrupting the entire network operation.

Cisco ONS-SI-2G-L1 2.5GB OC48 1310nm SMF SFP Transceiver

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SKU: 66141070666

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4.1 ★★★★★
Based on 2441 reviews
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M
Verified Purchase
Mack L.
Los Angeles, US
★★★★★ 5
Comfortable and easy to set up
Color: Black, Color: Black
I’m happy with this chair. It was not hard to assemble, and it feels stable after putting everything together. The mesh back is comfortable and breathable, so it doesn’t feel too hot when sitting for a while. The seat cushion is also thicker than I expected and feels soft enough for daily use. I like the adjustable headrest and the back support, especially for working at a desk. The chair looks simple and clean, and the wheels move smoothly. Good value for a home office chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
W
Verified Purchase
Wen Cortes
Charlottesville, US
★★★★★ 5
Exactly the Desk Chair I Was Looking For
Color: Black
had been needing a new desk chair for a while, and this one has been a great addition to my workspace. I use it every day while working, and it feels very comfortable, even when sitting for long periods of time. The seat provides good support, and the backrest helps me stay comfortable throughout the day. Assembly was straightforward, and the instructions were easy to follow. I also like how well it fits in my workspace and how nice it looks. So far, I am very happy with the comfort and overall quality. It has definitely made my workdays more enjoyable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
T
Verified Purchase
Turkey
Massapequa, US
★★★★★ 4
very ergonomic
Color: Deep Black, Color: Deep Black
I bought this as a replacement for one of those gaming chairs that kills your back with a little lumbar pillow and this one is muuuuch better. the back support is everything you’d need and got rid of my neck pain after long periods of sitting and the seat cushion is supportive but still comfortable. It’s the kind of chair that you don’t really think about much because it’s so natural to sit in that you forget it’s there. The armrests flipping is a really nice feature too. One star off only because the head rest is so far back that i can’t really rest my head on it and every part of the chair that’s cloth is made of the same mesh texture like the armrests and seat. but i have no other complaints this is a good chair
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Reviewed in the United States on March 14, 2026
E
Verified Purchase
Elva
Port Orchard, US
★★★★★ 5
Comfortable Ergonomic Chair for Long Workdays
Color: Black, Color: Black
I’ve been using this chair for my home office, and it’s been a great addition to my workspace. The seat cushion is thick and comfortable, even after several hours of sitting, and the mesh back keeps good airflow throughout the day. I especially like the adjustable headrest, which provides extra neck support when leaning back during breaks. Assembly was straightforward, the chair feels sturdy, and the wheels roll smoothly on my floor. The all-black design also gives it a professional look that fits well in any office setup. Overall, it’s a comfortable and affordable ergonomic chair that offers excellent value for the price.
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Reviewed in the United States on May 28, 2026
E
Verified Purchase
Emily Hopman
San Leandro, US
★★★★★ 3
Sturdy but uncomfortable
Color: Black
The seat itself is sturdy and easy to put together, I’ve now had the product for 8 months and had no issues wear/tear despite nearly daily use, but… it’s not comfy, at all. The seat cushion has a texture to it that scrapes at my legs if I don’t have an extra pillow on it or am wearing shorts. Additionally, the seat pillow is just kind of hard. It doesn’t give very much at all, so if I sit on it for more than an hour or two at a time my butt starts to get really sore. It works as a budget option, but invest in a good seat pillow if you plan to sit in it for any length of time.
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Reviewed in the United States on April 29, 2026

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