Cisco HFR

Mikael Abrahamsson swmike at
Wed May 26 05:39:09 UTC 2004

On Tue, 25 May 2004, Peter Lothberg wrote:

> Incorrect. There are transponders that put a 40G signal in a 10G DWDM
> optical system. (You have to move a step up from morse code to make the 
> side-bands fit..) And they atleast run in 80 chanel systems.

What is the range of this, how often do you need to amplify and regen the 
40G signal compared to 10G? Can 10G optical amplifiers be used?

Mikael Abrahamsson    email: swmike at

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