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Old 25-01-2009, 19:53   #119
Ignitionnet
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Re: 50Mbit Service Upstream Discussion

Quote:
Originally Posted by Turkey Machine View Post
Silly me thought that the higher the number on the end of QAM meant it had a higher bandwidth. I guess QAM256 would be equivalent to 256KHz then?
256 point constellation Quadrature Amplitude Modulation.

Still doesn't mean anything for upstream performance what the downstream is doing.


There's even at least one area that's doing DOCSIS 3 on 64QAM downstream. The modulations do not count for anything on the DOCSIS version that's being run.

Have a quick look at the whole wonders of DOCSIS, many resources available on the web.
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