[Lancaster] Re: Broadband Problems
Ken Hough
kenhough at uklinux.net
Mon Sep 12 11:00:36 BST 2005
Kristof Van Laerhoven wrote:
> Hi Ken,
>
> these are my settings (see alse the attached screenshot from my router
> admin site):
>
> attenuation: 24 db 5 db (down- and upstream)
> noise margin: 30 db 24 db (down- and upstream)
>
> best,
> Kristof.
>
Lucky boy!
The figures for my link are:
attenuation: 57.5 31.5 (down stream/upstream)
Noise margin: 16.0 22.0 (downstream/upstream)
-- and that's when it's good
Attenuation remains pretty constant, both ways. Noise margin is the
problem. during busy periods, downstream margin can drop to around 10
dB. I loose connection at around 12 to 13 dB.
I've discovered info' via the Internet which suggests that a magin of at
least 12 dB is needed.
The next step is to get BT to do something about it. If not possible, my
guess is that a 500 kB link should work.
Many thanks
Ken
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