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Best Billion for long reach

Posted: Sun Aug 31, 2014 4:39 pm
by Supernova1
Hello,

I currently are connected via long line, about 4km+. Sync speed averages 1800kbs, 63db attenuation at 6db noise margin.
I'm using a 2 wire 2700HG which has a good for holding onto long reach dsl, but nothing in the way of SNR adjustment.

Fibre won't arrive where I live for at least another 8 months so I'd like to squeeze the last kbs from my existing connection.
Which Billion would give the best long reach DSL performance or better the 2 wire modem.

I'm looking at the 7800n or the 7800DXL, but only really concerned with the DSL performance, wireless function is secondary.
The 8800 is another choice as I could use that with a ner fibre account, ONLY if the DSL betters the 2 wire though.

Which one should I go for, or am I stuck at 1800kbs until photons finially arrive :D

ATB
S.N.

Re: Best Billion for long reach

Posted: Sun Sep 28, 2014 11:40 pm
by Tomken
With an Attenuation of 63dB you don't really want to be playing with the SNR Margins as you are likely to make the connection unstable

At 63dB, that puts you ~4.6kms from the exchange but your speed looks to be a little down on what you could get, although there are other factors to consider.

http://www.kitz.co.uk/adsl/max_speed_calc.php

If you are using a NTE5 master socket, have you tried plugging the router into the Test socket that is behind the Faceplate and perhaps getting a High Speed ADSL cable which is said to be able to increase throughput.

I've been using one for a few years now but can't remember what is was like before I fitted it as I was having ISP line problems at the time.

My 7800N syncs between 300 - 500kbps slower than the ISP supplied routers that I've previously used, but at the time, it would hold the connection when the SNRM dropped to 0.4dB where they wouldn't on a 50dB Atten.