Look into EDFA amplifier systems. They work over a range of bands and are pretty affordable.
They can carry regular 1310nm as well as C-Band. Although if you are carrying C-band you may have to compensate for chromatic dispersion. Happy to help, I love this stuff! On Fri, Sep 24, 2021 at 4:39 PM Randy Carpenter <rcar...@network1.net> wrote: > > How is everyone accomplishing 100GbE at farther than 40km distances? > > Juniper is saying it can't be done with anything they offer, except for a > single CFP-based line card that is EOL. > > There are QSFP "ZR" modules from third parties, but I am hesitant to try > those without there being an equivalent official part. > > > The application is an ISP upgrading from Nx10G, where one of their fiber > paths is ~35km and the other is ~60km. > > > > thanks, > -Randy > -- Daniel Murphy Senior Data Center Engineer (646) 698-8018
