Above 40km I like coherent systems with FEC. You can feed the juniper into a pair of SolidOptics 1U appliances
Ms. Lady Benjamin PD Cannon of Glencoe, ASCE 6x7 Networks & 6x7 Telecom, LLC CEO l...@6by7.net "The only fully end-to-end encrypted global telecommunications company in the world.” FCC License KJ6FJJ Sent from my iPhone via RFC1149. > On Sep 24, 2021, at 2:35 PM, Edwin Mallette <edwin.malle...@gmail.com> wrote: > > I just bite the bullet and use 3rd party optics. It’s easier and once you > make the switch, lower cost. > > Ed > > Sent from my iPhone > >>> On Sep 25, 2021, at 12:29 AM, Joe Freeman <j...@netbyjoe.com> wrote: >>> >> >> Open Line Systems can get you to 80K with a 100G DWDM Optic (PAM4) - >> >> I've used a lot of SmartOptics DCP-M40 shelves for this purpose. They also >> have transponders that allow you to go from a QSFP28 to CFP to do coherent >> 100G out to 120Km using the DCP-M40, without a need for regen or extra amps >> in line. >> >> The DCP-M40 is a 1RU box. It looks like a deep 40ch DWDM filter but includes >> a VAO, EDFA amp, and a WSS I think. >> >>> On Fri, Sep 24, 2021 at 4:40 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
