Ascend Archive
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Re: (ASCEND) Am I the only one ??
De: Morten Norman <marten.norman@intertex.se>
>The standard indeed says 33600, just like it says 56000 in the other
>direction. But on real lines it's often reduced to 31200 or 28800.
>
>Reason? To reduce interference to the downstream. (Data goes in two
>directions on the same "copper wire", remember?) Most echo and
>interference can be compensated, but sadly enough not 100%.
>
>Forcing 33600 upstream may reduce downstream speed instead, and
>probably more than gained in upstream. Thus I guess it's a fair
>tradeoff.
Ok, I can accept it, even if virtually ALL V.34 connections go 33.600 in
BOTH directions... (maybe we're inheriting US FCC limits to 56K, so we
cannot get 33.6K?)
But... why shouldn't none of our MAXes connect at 31200 upstream? As i've
said, it NEVER happened. It's always 28.8K. I think it could at least *TRY*
to do it... It looks like a fixed upper limit. I don't understand it. As I
don't understand the silence of our Ascend friends...
Regards,
Ricardo
All Ways Digital ISP
Salvador/BA-Brasil
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