Luke, I agree, I would be talking about getting one with the 1310NM special port for the QSFP+ input that emitts 1270-1330nm light, and then say 4 client ports on different channels than that light range.
On Mon, Jun 19, 2017 at 3:40 PM, Luke Guillory <lguill...@reservetele.com> wrote: > If their 1310 passes them I would have to think you can't use is with > other client ports that would fall within the window. Here is a graph > showing those 4 for the 40g it seems. > > http://public-wordpress-kkc.s3.amazonaws.com/wp-content/ > uploads/2014/07/Graph1.jpg > > > > -----Original Message----- > From: NANOG [mailto:nanog-bounces+lguillory=reservetele....@nanog.org] On > Behalf Of Colton Conor > Sent: Monday, June 19, 2017 3:32 PM > To: Mike Hammett > Cc: nanog list > Subject: Re: DWDM Mux/Demux using 40G Optics > > I guess that makes sense. The plus or minus some is the question. FS is > claiming their 1310 port support QSFP+, which is 1270, 1290, 1310, and 1330 > combined. I understand you can us 1310, but I am still scratching my head > as to how they all one minus and two above 1310 to work. Of course they > don't have any datasheets to show the range either. > > > > On Mon, Jun 19, 2017 at 3:17 PM, Mike Hammett <na...@ics-il.net> wrote: > > > I'd imagine they vary based on vendor, so you'd have to check with the > > specific vendor in terms of absolute technical specifications. > > > > A 1310 and 1550 port only allow those channels plus or minus some, > > manufacturer dependent. > > An expansion port passes everything not used by that device. > > > > Some manufacturers are even configurable pre-order, so you could get > > exactly what you needed (other than multiple 40G channels). > > > > > > > > > > ----- > > Mike Hammett > > Intelligent Computing Solutions > > http://www.ics-il.com > > > > Midwest-IX > > http://www.midwest-ix.com > > > > ----- Original Message ----- > > > > From: "Colton Conor" <colton.co...@gmail.com> > > To: "Faisal Imtiaz" <fai...@snappytelecom.net> > > Cc: "Mike Hammett" <na...@ics-il.net>, "Luke Guillory" < > > lguill...@reservetele.com>, "nanog list" <nanog@nanog.org> > > Sent: Monday, June 19, 2017 3:14:19 PM > > Subject: Re: DWDM Mux/Demux using 40G Optics > > > > > > Thanks for the answers. From the sounds of it, no one knows the real > > difference between the expansion port, 1310 port, and 1550 port. For > > real world applications, I would assume the monitor port would be to > > plug in a handheld meter, and see which channels are coming through > > that node without breaking the ring. Not sure if their would be a > > monitor port for both directions is you were using a OADM? > > > > > > On Mon, Jun 19, 2017 at 2:38 PM, Faisal Imtiaz < > > fai...@snappytelecom.net > > > wrote: > > > > > > > > > > > > Answers in-line ... > > > > > > Faisal Imtiaz > > Snappy Internet & Telecom > > 7266 SW 48 Street > > Miami, FL 33155 > > Tel: 305 663 5518 x 232 > > > > Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net > > > > > > > > > > <blockquote> > > From: "Colton Conor" < colton.co...@gmail.com > > > To: "Mike Hammett" < na...@ics-il.net > > > Cc: "Luke Guillory" < lguill...@reservetele.com >, "nanog list" < > > nanog@nanog.org >, "Faisal Imtiaz" < fai...@snappytelecom.net > > > Sent: Monday, June 19, 2017 3:30:37 PM > > Subject: Re: DWDM Mux/Demux using 40G Optics > > > > > > > > > > <blockquote> > > > > I guess that is the real question. Besides the client ports that are > > clearly identified by channel number on Muxes, what channels can the > > special ports handle? > > > > http://www.fs.com/products/43723.html It has 4 special service port > > options: > > > > 1. Expansion Port (Based on what I am seeing, I think this would be to > > stack another mux if you needed more channels. So I assume it allows > > all channels to be added besides the client channels?) </blockquote> > > > > > > > > Exactly... this is basically a pass thru port, i.e. what is not > > getting mux/demux should get passed thru (keep the insertion loss in > mind). > > > > > > <blockquote> > > > > > > 2. Monitor Port (I think this is just a tap that you would hook a > > monitor up to, and be able to see all channels coming through with a > > meter. I assume not a good idea to add/drop channels through this port)? > > </blockquote> > > > > > > > > I don't use this port, but supposedly it will pass a fraction 5% of > > the light from the main port so that it can be monitored. May be > > someone else can offer some practical use for this port. > > <blockquote> > > > > > > 3. 1310nm Port (Labeled as 1310, but clearly allows more than just > > 1310 since tutorial is saying it supports QSFP+ which is 1270 - 1330 > > nm, so what range does it really support or is there no a range?) > > </blockquote> > > > > Not sure about the range question, but this is the port for having the > > 40g/100g QSFP+ pass thru > > > > > > <blockquote> > > > > > > 4. 1550nm Port (Labeled as 1550nm, but I wonder if its like the > > 1330nm?) > > > > > > </blockquote> > > > > I have not had the need to explore this in detail, but from my initial > > understanding, this can be used for ZR (long range optics) and or to > > stack a DWDM Mux > > > > > > <blockquote> > > > > > > Would you recommend a monitor port on every mux you buy? > > > > > > </blockquote> > > > > As I shared above, I don't. > > > > > > > > > > <blockquote> > > > > > > > > On Mon, Jun 19, 2017 at 2:18 PM, Mike Hammett < na...@ics-il.net > > wrote: > > > > <blockquote> > > > > > > Verify pass-through frequencies for the 1310 (or equivalent) for the > > passive mux in question. This would only work for a single channel. > > > > > > > > > > ----- > > Mike Hammett > > Intelligent Computing Solutions > > http://www.ics-il.com > > > > Midwest-IX > > http://www.midwest-ix.com > > > > > > > > From: "Luke Guillory" < lguill...@reservetele.com > > > To: "Faisal Imtiaz" < fai...@snappytelecom.net >, "Colton Conor" < > > colton.co...@gmail.com > > > Cc: "nanog list" < nanog@nanog.org > > > Sent: Monday, June 19, 2017 2:13:10 PM > > Subject: RE: DWDM Mux/Demux using 40G Optics > > > > > > > > Faisal, > > > > How would he inject his current 4x10 40g into the mux which is > > currently on a single LC cable? > > > > > > > > > > > > Luke Guillory > > Network Operations Manager > > > > Tel: 985.536.1212 > > Fax: 985.536.0300 > > Email: lguill...@reservetele.com > > > > Reserve Telecommunications > > 100 RTC Dr > > Reserve, LA 70084 > > > > ____________________________________________________________ > > _____________________________________ > > > > Disclaimer: > > The information transmitted, including attachments, is intended only > > for the person(s) or entity to which it is addressed and may contain > > confidential and/or privileged material which should not disseminate, > > distribute or be copied. Please notify Luke Guillory immediately by > > e-mail if you have received this e-mail by mistake and delete this > > e-mail from your system. E-mail transmission cannot be guaranteed to > > be secure or error-free as information could be intercepted, > > corrupted, lost, destroyed, arrive late or incomplete, or contain > > viruses. Luke Guillory therefore does not accept liability for any > > errors or omissions in the contents of this message, which arise as a > result of e-mail transmission. . > > > > -----Original Message----- > > From: NANOG [mailto: nanog-boun...@nanog.org ] On Behalf Of Faisal > > Imtiaz > > Sent: Monday, June 19, 2017 2:02 PM > > To: Colton Conor > > Cc: nanog list > > Subject: Re: DWDM Mux/Demux using 40G Optics > > > > Answers in-line below. > > > > > > > > If you look at the CWDM Muxes (8 or 9 channel) you will notice a > > common configuration of > > > > Upgrade Port (expansion port) + 1450 or 1470 to 1610nm > > > > in the DWDM muxes you will see them listed as # of Port + 1310 pass > > thru channel. > > > > These are exactly what you are looking for ..... :) > > > > > > > > </blockquote> > > > > > > </blockquote> > > > > </blockquote> > > > > > > >
