Large "noise margin"?

Can someone explain what the following reading means - the noise margin
reading is very large?

ADSL Link Downstream Upstream
Connection Speed 1152 kbps 288 kbps
Line Attenuation 62 db 31.5 db
Noise Margin 2147483645 db 19 db

Gareth.

"Gareth" <(E-Mail Removed)> wrote in message

> Noise Margin 2147483645 db 19 db

Probably a bug in the firmware - look to see if there is a newer version?

Jc.

On Tue, 2 Nov 2004 20:58:55 -0000, "Gareth" <(E-Mail Removed)>
wrote:

>Can someone explain what the following reading means - the noise margin
>reading is very large?
>
>ADSL Link Downstream Upstream
>Connection Speed 1152 kbps 288 kbps
>Line Attenuation 62 db 31.5 db
>Noise Margin 2147483645 db 19 db
>
>Gareth.
>

Do you have a Netgear DG834G or similar, by any chance?

Jake

On Tue, 2 Nov 2004 20:58:55 -0000, "Gareth" <(E-Mail Removed)>
wrote:

>Can someone explain what the following reading means - the noise margin
>reading is very large?
>
>ADSL Link Downstream Upstream
>Connection Speed 1152 kbps 288 kbps
>Line Attenuation 62 db 31.5 db
>Noise Margin 2147483645 db 19 db
>

Well the larger the noise margin, the better.

But that downstream figure is obviously faulty.
--
Alex Heney, Global Villager
STICK: A boomerang that doesn't work.

To reply by email, my address is alexATheneyDOTplusDOTcom

"Gareth" <(E-Mail Removed)> wrote in message
news:4187f4f3$0$4032$(E-Mail Removed)...
> Can someone explain what the following reading means - the noise margin
> reading is very large?
>
> ADSL Link Downstream Upstream
> Connection Speed 1152 kbps 288 kbps
> Line Attenuation 62 db 31.5 db
> Noise Margin 2147483645 db 19 db
>
> Gareth.
>

Your line specs are similar tom mine.
Speed 1152000, Attenuation 64.5dB, Margin 14dB.

>

TheDragon wrote:
> "Gareth" <(E-Mail Removed)> wrote in message
> news:4187f4f3$0$4032$(E-Mail Removed)...
>> Can someone explain what the following reading means - the noise
>> margin reading is very large?
>>
>> ADSL Link Downstream Upstream
>> Connection Speed 1152 kbps 288 kbps
>> Line Attenuation 62 db 31.5 db
>> Noise Margin 2147483645 db 19 db
>>
>> Gareth.
>>
>
> Your line specs are similar tom mine.
> Speed 1152000, Attenuation 64.5dB, Margin 14dB.

Lot of difference between 2147483645 & 14 don't you think (something like
2147483631)???

>> Noise Margin 2147483645 db 19 db

FWIW 2147483645 = x'7fffffff' - 2

"TheDragon" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed). ..
>
> "Gareth" <(E-Mail Removed)> wrote in message
> news:4187f4f3$0$4032$(E-Mail Removed)...
>> Can someone explain what the following reading means - the noise margin
>> reading is very large?
>>
>> ADSL Link Downstream Upstream
>> Connection Speed 1152 kbps 288 kbps
>> Line Attenuation 62 db 31.5 db
>> Noise Margin 2147483645 db 19 db
>>
>> Gareth.
>>
>
> Your line specs are similar tom mine.
> Speed 1152000, Attenuation 64.5dB, Margin 14dB.
>
>>

I was refering to the speed and long line. There arent many who have
convinced BT to allow 1 Meg on a >60dB line.
>
>

"Jake P" <jake@!!!nospam!!!.jake.org.uk> wrote in message
news:(E-Mail Removed)...
> On Tue, 2 Nov 2004 20:58:55 -0000, "Gareth" <(E-Mail Removed)>
> wrote:
>
>>Can someone explain what the following reading means - the noise margin
>>reading is very large?
>>
>>ADSL Link Downstream Upstream
>>Connection Speed 1152 kbps 288 kbps
>>Line Attenuation 62 db 31.5 db
>>Noise Margin 2147483645 db 19 db
>>
>>Gareth.
>>
>
> Do you have a Netgear DG834G or similar, by any chance?

Yep!

Gareth.

TheDragon wrote:
> "TheDragon" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed). ..
>>
>> "Gareth" <(E-Mail Removed)> wrote in message
>> news:4187f4f3$0$4032$(E-Mail Removed)...
>>> Can someone explain what the following reading means - the noise
>>> margin reading is very large?
>>>
>>> ADSL Link Downstream Upstream
>>> Connection Speed 1152 kbps 288 kbps
>>> Line Attenuation 62 db 31.5 db
>>> Noise Margin 2147483645 db 19 db
>>>
>>> Gareth.
>>>
>>
>> Your line specs are similar tom mine.
>> Speed 1152000, Attenuation 64.5dB, Margin 14dB.
>>
>>>
>
> I was refering to the speed and long line. There arent many who have
> convinced BT to allow 1 Meg on a >60dB line.

You'd be suprised & as the readings are from a non BT router, they don't
mean a tinkers whats its to BT. Every make (possibly model) of router will
give different test results, some wildly so & normally the figures will be
over those recorded by the acceptable methods (i.e using the APTS test with
a Voyager modem, which even gives different results to that of doing an APTS
test with a BT router). I have had 4 different makes of router on my line &
only one comes close to giving the same test results as the accepted BT
method (remember it's what BT thinks which matters) & at least one of them
puts me well out of useable spec.

Use the diagnostics as a bench mark for your own line, so you can see if
anything starts to change but don't depend upon them to be accurate, as on
the whole, they are not....