TCS - ADSL Changes Slow Things Down
ADSL Changes Slow Things Down
by Don Singleton
Tulsa Computer Society
From the November 1999 issue of the I/O Port Newsletter
I have had a report from someone who used to get 48k to 56k from his ISP with
v.90 that now it has dropped to less that 30k. As I understand it, v.90
will only give 56k from the ISP (who has a digital connection) if there is
only one D->A conversion between their system and your computer. We are
speculating that as Southwestern Bell makes changes in their system to go
digital, that part of the path to his system has been converted to digital,
but that there are still two part still analog, hence the signal leaves
as digital, but has to be converted to analog, then back to digital, then
back to analog for delivery to his computer. If this is the case, then
the problem should be resolved soon when SWB finishes their conversion to
Digital for ADSL, but he asked me to ask how many other people have had their
response drop significantly in the last couple of months. Contact djs@ionet.net
if you have anything to pass on.
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Tulsa Computer Society 10/10/99
Don Singleton, President
djs@ionet.net