RE: Re: [OT] bonding multiple ADSL lines?

["Paul Gale" <groups@xxxxxxxxxxxxxxxx>]

This is mine:



SNR (Signal-to-Noise-Ratio) margin

30.2

30.0

dB



Line attenuation

16.0

12.0

dB



Errored seconds

80

49



Loss of signal

2

2



Loss of frame

0

0



CRC errors

79

50



Data rate

2272

288

kbps



DSLAM    (1 km)

TEXAS INSTRUMENTS



Is that good - I think it is???



Paul.







> -----Original Message-----

> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of

> Ian Lowe

> Sent: 17 February 2006 11:51

> To: ukha_d@xxxxxxx

> Subject: RE: [ukha_d] Re: [OT] bonding multiple ADSL lines?

>

>

> A word of caution also...

>

> If you have great SNR ratio on your existing ADSL, you should be okay.
If

> you don't, however, running in multiple ADSL connections might be a
bad

> idea.

>

> We are at the fringes of good signal - I had an SNR of about 20, we

> installed a second ADSL line (for reasons other than performance
actually

> -

> the second one was meant as a replacement).

>

> The SNR on the new ADSL was only 13/4, precluding 2Mb service, but
when

> this

> line went live the SNR on the first one dropped to around 15/6. It
seems

> that crosstalk between ADSL lines becomes an issue when you have long
runs

> in parallel (and they don't come more parallel than all the way from
the

> exchange to your house)

>

> I'd be very wary of running 4 ADSL lines into a buiding unless you had
a

> really solid signal to start with... Especially as BT can be such a
bunch

> of

> buggers about these things. If it did degrade your performance, you'd

> probably be stuck with it!

>

> I'm not an expert on these things, so take this with a pinch of salt.

>

> Ian.

>

>

>

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