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andyross
Premium,MVM
join:2003-05-04
Schaumburg, IL
reply to ExoticFish

Re: Eh?

said by ExoticFish:

Upstream is marginal and will cause problems if it goes up any.

For reference: For 2-channel bonding, the limit is 54dB. For 3-channel, it's 51dB.


flwpwr

@comcast.net

said by andyross:

said by ExoticFish:

Upstream is marginal and will cause problems if it goes up any.

For reference: For 2-channel bonding, the limit is 54dB. For 3-channel, it's 51dB.

Exactly where is this documented as a limit and not a preference?

plat2on1

join:2002-08-21
Hopewell Junction, NY

said by flwpwr :

said by andyross:

said by ExoticFish:

Upstream is marginal and will cause problems if it goes up any.

For reference: For 2-channel bonding, the limit is 54dB. For 3-channel, it's 51dB.

Exactly where is this documented as a limit and not a preference?

those figures are from the docsis 3.0 specification. not sure if they are limits or minimum capabilities though.

»www.cablelabs.com/specifications···0121.pdf

page 93


flwpwr

@comcast.net

Interesting, the document I downloaded from cablelabs some months ago has only two decelerations in it, single Chanel and multiple, there is no split multiple for 2 versus 3-4 channels [nor SCDMA/TDMA] the ways yours is. The date on yours indicates it is a few years old so its not a new edit either. Going to have navigate their document section again and see if they have conflicting documents or what.