[c-nsp] DWDM over CWDM

[Colin Whittaker]

This works fine.
In fact various passive component vendors have 8 lambda DWDM muxes 
designed for launching into a CWDM system.
I have used the MRV ones in the past to migrate a CWDM system to a
hybrid CWDM/DWDM system.

Colin

On Tue, Jun 24, 2008 at 10:27:22PM +0200, Tomas Hlavacek wrote:
> Hello!
> 
> I have a question about WDM which is maybe offtopic here but I do not 
> know any better place to ask.
> 
> Is it possible to connect DWDM transceivers (XENPAK for instance) to 
> CWDM MUXes on both sides of 10Km optical fiber, assuming that wavelength 
> of DWDM transceiver is in the middle of a particular 20nm CWDM wavelengh 
> window? Will this setup work? And is there any danger? I mean, it is 
> possible to damage something - notably MUXes or transceivers?
> 
> For better understanding, this is my situation: I have one leased CWDM 
> lambda, now working with 1Gbps Ethernet SFPs and I need an easy upgrade 
> to 10Gbps.
> 
> Thanks!
> Tomas
> 
> -- 
> Tom???? Hlav????ek <tomas.hlavacek at elfove.cz>
> 
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-- 
Colin Whittaker					+353 (0)86 8211 965
http://colin.netech.ie			            colin at netech.ie