A huge cost savings of an FS Box. While tuning the wavelength of the Cisco C33 DWDM-SFP10G 80km transceiver, the box can also reprogram the FS transceiver to make it work on devices of different brands.

Before, i could recode BX to LX, this was handy since not all hardware accepts BX.
But if the switch thinks its an LX transciever it works fine.
Must be a software change, since it could be done with the same fsbox before.
Really bad change in my opinion, why limit the box to only change s/n and vendor?

Works as advertised. Simple to install and use.

I had kept cooperation with FS for several years, so when my AM recommended this coding box to me, I was very interested in it and ordered one to have a try. The box had the size with my smartphone, very easy to carry. For the first time, I didn't know how to use it, the AM sent me the datasheet and tutorial video that shown detailed steps about the reprogrammed process. I tried to code one Cisco module to Intel, and the recoded module worked well on our Intel switch, that’s really nice! This little box could save much cost of the optical modules for us. But I got one issue on the fs box when trying to code DWDM modules. When I feedback to the AM, she told me I had to apply for the customized service to finish the coding. Well, just needed to spend a little extra time.

But I have to say, the fs box is a great product! And another point about the fs box to improve is that it cannot do the firmware rewrite process offline. Hope the FS guys can push this function earlier.

I had some extra Huawei 25G SFP28 modules bought several weeks ago, but we needed dell modules for our new Dell switches. The AM reminded me that I could use the FS Box to reprogram them with the FS supplied coder. I was not sure whether it could work or not, but I still gave a try. Yep, the reprogrammed dell optical modules worked fine without a problem.

I knew the FS BOX from their social platform several months ago. And considering the total module cost in the near future because I have bought many modules from FS, I bought one. It’s literally “plug and play”, very fast to reprogrammed. And I could change the code to different brands. That's great!

This is easier to use than expected. Just plug the transceiver into the FS BOX and change the code on the website. Although I haven't used this kind of product before, I can't think of a simpler operation than this. The FS BOX is great.

FS BOX is very easy to use, I bought a lot of different transceivers in FS.COM, FS BOX can be used on different devices by changing the code. It saved me a lot of time. The most important thing is that it is very cheap. The $200 price saved me the money to buy other modules.

Solidly built optic coding box. Easy to use, fast re-coding of Fiber Store optics and cables. Code different ends of the same DAC/AOC for different devices on the fly. Keep a stock of FS optics on hand and code as needed, saving yourself time and money. At under $200, having a couple of these on hand is a no-brainer.

I want to connect different brands of switches, but I don't have as many compatible modules. FS box is exactly what I need, I hope I can get it earlier.