Very impressive! Can you share your fiber type and link-loss? —L.B. Lady Benjamin PD Cannon, ASCE 6x7 Networks & 6x7 Telecom, LLC CEO b...@6by7.net <mailto:b...@6by7.net> "The only fully end-to-end encrypted global telecommunications company in the world.” FCC License KJ6FJJ
> On Oct 30, 2020, at 9:03 AM, Tarko Tikan <ta...@lanparty.ee> wrote: > > hey, > >> If it’s just a single 100G channel needed you could try 100GBASE-ZR4. >> Specified for 80km, 30db power budget they could actually reach more the >> 80km. >> Dispersion should also be „no" problem in the 1310nm length. I have to say >> that I never tried this on 100km distance without coherent solutions. > > Just to add to my original suggestion, we just did 100G-ZR4 over 30dB link > with pre-FEC BER 3.174E-11. > > As OP is asking for a solution for 25dB I don't see any reason why ZR4 would > not work and why you would need coherent, amplifiers or any other additional > solution except when you are limited by QSFP28 SFF power. > > -- > tarko
