Hello,
some years ago I purchased our first SFP+ 10 GBase-SR optics at fs.com: 20 pieces for ~1000€ They all run without any problems.
Some months ago I ordered some hundreds of 10GBase-SR and 25GBase-SR plus some CWDM optics which we've installed for some weeks.
Well, for now I have about 15 pieces of 10 GBase-SR and 7 pieces of 25 GBase-SR optics that are DOA, i.e. you put the optic into the switch, but the laser doesn't work or it works for some minutes after which completeley goes of, after which you can put it out, wait some time and get it up again for some time.
For me it looks like the quality has decreased for the last years, while hardware costs have decreased.
What is your experience?
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