[c-nsp] DWDM Passive or Active Multiplexing

Jared Mauch jared at puck.nether.net
Wed Mar 9 17:37:12 EST 2016

If you are only doing 10g there are a lot of inexpensive solutions in this space for the distances you mentioned. 

Jared Mauch

On Mar 9, 2016, at 4:55 PM, Lukas Tribus <luky-37 at hotmail.com> wrote:

>> Hi Tim, thanks for your great info! Appreciate it.
>> Hey Bill, thanks for your offline email and confirming that the passive
>> DWDM should work in our environment. All great info!!
>> Our ring is east and westbound within 30km and in between, we currently
>> have like 6 drops active and looking to add another 4 drops on it. Yeah, I
>> know when we add site, it will loses some dB, but I guess we should be
>> fine.
>> I am going back to Cisco SE and his technical team and have a debate about
>> Passive vs Active again. Since they are forcing me to go with Active
>> solution only.
> I would suggest you talk to some other vendor as well, specifically a vendor
> how cares about passive solutions.
> I may be wrong, but my impression is that Cisco is EOL'ing the entire
> *passive* CWDM and DWDM gear. Whens the last time Cisco shipped
> a new *passive* CWDM or DWDM product?
> It is probably in their commercial interest to promote their active gear.
> Careful with vendors advice.
> Lukas
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