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Roshan Schram photo
France, Paris
1 Level
722 Review
63 Karma

Review on πŸ”Œ Gigabit Ethernet Fiber Media Converters - Pair of 10/100/1000M RJ45 to 1000M Bi-Directional Single-Mode SC Fiber, 20KM Reach - by ipolex by Roshan Schram

Revainrating 5 out of 5

Works well. Cheap.: Computers and Accessories

It looks like the reviews Revain links to this device are for 'similar' devices, I thought I should dig into how this particular device works . I connected a Cisco approved 10GTek multimode SFP transceiver with a range of 550m, connected another identical SFP transceiver to my real Cisco SG300 series switch and ran 30m of pre-terminated outdoor multimode fiber . The purpose of this copper installation is galvanic isolation in the event of a lightning strike. It just works. Other than that, this is by far the cheapest solution I've ever used, but it just works. I tested the performance between my laptop and the main computer using iperf and the performance was the same between the laptop connected directly to my Cisco SG300 and through this media converter, about 1GB. /s. With such a fast, cheap, and easy fiber optic connection, one might wonder why the fastest ISP I can find in the middle of a populous metropolis would only offer way crappy, unreliable, blackout, and slower services with way more expensive equipment to allow them can do it over coax, and my only other option is old, slow phone lines. They also had to lay new lines when I moved in and of course they chose copper instead of fiber optics, which doesn't make sense to me. With a cheap single mode SFP transceiver and a cheap media converter they could give me a much faster service with lines stretching all the way to their headquarters where they could have a UPS and backup generators to make the service reliable and Selling the service more because it would cost Togo. This will not allow the material to come out/roast every time there is a thunderstorm, which has become more frequent and intense over the past few years where I live. Also, FiOS doesn't make sense to me when I was in the FiOS space because they installed this huge box (ONT) in my closet which must have cost them a fortune while this cheap little box I use does same job but much faster at maybe 1/40th the price. It turns out I can provide an excellent service that meets all customer needs, good with a $25 box but bad with a $1,000 box. Of course, the telecom logic makes it bad with a super expensive box that doesn't match reality every time.

Pros
  • Price
Cons
  • Odds and Ends