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Re: [802.3BA] Discussion on 40G for => 10 km SMF

On Fri, 8 Aug 2008, Chris Cole wrote:

There is nothing about any approach being considered for 40GE 10km SMF
that helps DWDM better then the other being considered.

I am not primarily talking about DWDM, I am talking about 10km (and perhaps up to 40km) SMF light with CWDM wave spacing (20nm) for metro applications.

Enabling fairly easy development of 40GE 8 wave transport without transponders (colored optics directly into external CWDM mux) tips the balance for me in favor of 40GE serial, if cost projections are similar for 40GE serial vs 4x10GE CWDM.

Mikael Abrahamsson    email: swmike@xxxxxxxxx