You can do ~500km without inline amplifier sites using EDFA+Raman+ROPA, but you are going to need some serious optical engineering to make that work. The more standard way to do it is amplifier sites every 80-100km for EDFA. If you are doing 10GigE you will need to allow for DCM also.
On Sat, Feb 7, 2015 at 1:04 PM, Mike Hammett <na...@ics-il.net> wrote: > One particular route I'm looking at is 185 miles, so of the options > presented 300 km is closest. ;-) > > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > ----- Original Message ----- > > From: "Christopher Morrow" <morrowc.li...@gmail.com> > To: "Kenneth McRae" <kenneth.mc...@me.com> > Cc: "NANOG" <nanog@nanog.org> > Sent: Saturday, February 7, 2015 12:02:11 PM > Subject: Re: Low cost WDM gear > > would be good for mike to define 'long distances' here, is it: > 2km > 30km > 300km > 3000km > > Probably the 30-60k range is what you mean by 'long distances' but... > clarity might help. > > On Sat, Feb 7, 2015 at 12:55 PM, Kenneth McRae <kenneth.mc...@me.com> > wrote: > > Mike, > > > > I just replaced a bunch of FiberStore WDM passive muxes with OSI Hardware > > equipment. The FiberStore gear was a huge disappointment (excessive loss, > > poor technical support, refusal to issue refund without threatening legal > > action, etc.). I have had good results from the OSI equipment so far. I > > run passive muxes for CWDM (8 - 16 channels). > > > > On Feb 07, 2015, at 09:51 AM, Manuel Marín <m...@transtelco.net> wrote: > > > > Hi Mike > > > > I can recommend a couple of vendors that provide cost effective > solutions. > > Ekinops & Packetlight. > > > > On Saturday, February 7, 2015, Mike Hammett <na...@ics-il.net> wrote: > > > > I know there are various Asian vendors for low cost (less than $500) > muxes > > to throw 16 or however many colors onto a strand. However, they don't > work > > so well when you don't control the optics used on both sides (therefore > > must use standard wavelengths), obviously only do a handful of channels > and > > have a distance limitation. > > What solutions are out there that don't cost an arm and a leg? > > ----- > > Mike Hammett > > Intelligent Computing Solutions > > http://www.ics-il.com > > > > > > -- > > TRANSTELCO| Manuel Marin | VP Engineering | US: *+1 915-217-2232* | MX: > *+52 > > 656-257-1109* > > > > CONFIDENTIALITY NOTICE: This communication is intended only for the use > > of the individual or entity to which it is addressed and may contain > > information that is privileged, confidential, and exempt from disclosure > > under applicable law. If you are not the intended recipient of this > > information, you are notified that any use, dissemination, distribution, > or > > copying of the communication is strictly prohibited. > > > > AVISO DE CONFIDENCIALIDAD: Esta comunicación es sólo para el uso de la > > persona o entidad a la que se dirige y puede contener información > > privilegiada, confidencial y exenta de divulgación bajo la legislación > > aplicable. Si no es el destinatario de esta información, se le notifica > que > > cualquier uso, difusión, distribución o copia de la comunicación está > > estrictamente prohibido. > > -- Tim:>