[c-nsp] WDM (wave division multiplexing) fiber question

Scott Granados scott at granados-llc.net
Thu Oct 1 13:15:40 EDT 2015


Nick, this is a big help as were all the other responses.

I’m told it’s 1310 NM, 2 strands.  I did not  get a KM number which I will request.

Thank you!

> On Oct 1, 2015, at 1:11 PM, Nick Hilliard <nick at foobar.org> wrote:
> 
> On 01/10/2015 5:18 p.m., Scott Granados wrote:
>> One of my upstream carriers is asking me to use WDM optics to attach.
>> Would this be a different part numbered SFP for the ASR or would a
>> standard GBIC do the trick?  (I’m assuming no)  What concerns do I have
>> for ordering SFPs to terminate single mode fiber with WDM on my end?
>> Anything other than finding the right part number SFP?
> 
> Your upstream provider should have told you:
> 
> 1. the dwdm channel number for the transceiver (i.e. the wavelength it
> transmits on)
> 2. whether you need a 40km or an 80km transceiver
> 
> Once you find this out, you'll need to order a dwdm transceiver of that
> configuration from a third party vendor, coded as a cisco part.
> 
> Obviously you could get a cisco part, but the list price is about 10-20x
> what you would expect to pay for a third party unit so unless you like
> burning money, third party transceivers are a better plan.
> 
> Also with DWDM, you need to be extremely careful about fiber hygiene.  Any
> time a cable is inserted, both the ferrules and the sockets need to be
> swipe-cleaned with the appropriate equipment (cletop-s and LC one-click
> cleaners)
> 
> Nick
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/



More information about the cisco-nsp mailing list