Does dropping line speed to 256 help with poor SNR

I have a 512 line which shows SNR varying between 2 (daytime) and 19
(during night) the low SNR figure believed to be caused by local
interference (the last 100 metres of the line is carried over a
college campus internal phone wiring). Would dropping the line speed
to 256 make a significant difference in particular reducing the number
of diconnections.

JP

On Wed, 08 Mar 2006 18:25:18 +0000, John P wrote:

> I have a 512 line which shows SNR varying between 2 (daytime) and 19
> (during night) the low SNR figure believed to be caused by local
> interference (the last 100 metres of the line is carried over a college
> campus internal phone wiring). Would dropping the line speed to 256 make a
> significant difference in particular reducing the number of diconnections.

I dont know if there are any genuine 256k services. When I had a 256k
account it was a rate-limited 512k line.

Bob wrote:
> On Wed, 08 Mar 2006 18:25:18 +0000, John P wrote:
>
>> I have a 512 line which shows SNR varying between 2 (daytime) and 19
>> (during night) the low SNR figure believed to be caused by local
>> interference (the last 100 metres of the line is carried over a college
>> campus internal phone wiring). Would dropping the line speed to 256 make a
>> significant difference in particular reducing the number of diconnections.
>
> I dont know if there are any genuine 256k services. When I had a 256k
> account it was a rate-limited 512k line.
Zen (the ISP in this case) say their 256 service does sync at 256.

JP

"John P" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>I have a 512 line which shows SNR varying between 2 (daytime) and 19
>(during night) the low SNR figure believed to be caused by local
>interference (the last 100 metres of the line is carried over a college
>campus internal phone wiring). Would dropping the line speed to 256 make a
>significant difference in particular reducing the number of diconnections.
>
> JP

It worked in my case - switching from 512k to 256k with Zen brought my
connection from hardly-ever working to almost-always working. I am on a
long line, with an indicated 63 dB of attenuation and a downstream noise
margin usually between 2 and 9 dB at 256k. Router is a Netgear DG834.

TM

> Zen (the ISP in this case) say their 256 service does sync at 256.

The ZEN service is a true Home250 service and Sync's at the speed as you
have stated. Most of the other ISP's aren't offering this BTW product.

Phill

On Sun, 12 Mar 2006 15:54:15 +0000, P H wrote:

>> Zen (the ISP in this case) say their 256 service does sync at 256.
>
> The ZEN service is a true Home250 service and Sync's at the speed as you
> have stated. Most of the other ISP's aren't offering this BTW product.

Is there any particular reason why Zen can do this, and other BT-based
ISPs don't (or didn't)?

"Bob" <(E-Mail Removed)> wrote in message
news(E-Mail Removed) lid...
> On Sun, 12 Mar 2006 15:54:15 +0000, P H wrote:
> Is there any particular reason why Zen can do this, and other BT-based
> ISPs don't (or didn't)?

No !