Hello!
On Thu, Dec 10, 2009 at 08:48:27PM -0800, Yuri Bank wrote:
> Why can't DSL signals pass through fiber optics, yet we have HFC networks
> that obviously have no issues going from copper to fiber.
> The modulation techniques DOCSIS and DSL use are similar, so what prevents
> this from working with DSL? Is it that the RF is to weak and the conversion
> process messes up the signal?
It is becouse very different frequency ranges:
DSL 0.02-1.1 MHz for both up and downstreams
DOCSIS 16-30 MHz for upstream
50-800 MHz for downstream
--
Dmitry Kiselev
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