Re: 100GbE beyond 40km

[Pierre LANCASTRE <pierre.lancastre () gmail com>]

Hi

+1 for SmartOptics products. Got M-1601 + optics, did the job very well

Pierre

Le lun. 27 sept. 2021 à 20:52, Kevin Menzel via NANOG <nanog () nanog org> a
écrit :

> We’ve had DCP-M boxes in service for a few years now on our +40km links,
> with their PAM4 100Gb optics. It’s been SO easy.
>
> If I had the money, we’d throw DCP-M boxes at every link we have.
>
>
>
> -Kevin Menzel
>
>
>
> *From:* NANOG <nanog-bounces+kevin.menzel=sheridancollege.ca () nanog org> *On
> Behalf Of *Joe Freeman
> *Sent:* September 24, 2021 17:07
> *To:* Randy Carpenter <rcarpen () network1 net>
> *Cc:* nanog <nanog () nanog org>
> *Subject:* Re: 100GbE beyond 40km
>
>
>
> This message was sent from outside of Sheridan College. Please be careful
> when opening attachments, clicking links, or responding to requests for
> information.
>
>
>
> 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 <rcarpen () 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