PPP ISDN Dual Channel Issues. [LONG]

Paul Civati paul at xciv.org
Sun May 27 00:18:33 BST 2001

Richard Wendland <richard at starburst.demon.co.uk> wrote:

> > ADSL really pains me as according to BT Ignite my home line is 400m
> > out of range they wont touch it :-(
> You may be in less pain when Rate Adaptive Digital Subscriber Line is
> launched, planned later this year I believe.  RADSL increases range from
> ~3.5km to ~5.5km from the exchange - but limited to the 512kbps option

Remember that the distance is only a guideline to whether or not
you'll likely be able to get ADSL service.  They may use the
distance measurement to decide whether or not it's worth doing
a survey, if there's so no theoretical way it could possibly
work over a certain limit.

The actual test of whether or not it works will be the amount of
loss on the line between the exchange and the customer site.

You could be within those distances and have too much loss (for
instance if BT have used crappy aluminium cable along the route).


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