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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

Why is ADSL so finicky?



 
 
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Old June 7th 06, 08:46 AM posted to uk.telecom.broadband
PhilT
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Posts: 391
Default Why is ADSL so finicky?


David M wrote:


Why is ADSL so finicky?


because its endeavouring to cram many Mbits/s of digital data down
wiring designed to handle 4 kHz of analogue speech.

If you had attenuation and SNR margin data we may have a clue about the
line and signal strength. Prewired sockets may have been done by an
electrician with no clue about twisted pairs etc, also cramming lots of
wiring into the same duct may lead to more crosstalk than separate
dwellings would see.

There are a few chipsets around that behave differently in different
situations and with different DSLAMs. If one misbehaves try another.
Most ADSL problems turn out to be at the end user's end, FWIW.

Phil

 




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