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adsl 2+ speed ?

 
 
Ghostrecon
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      10-07-2011, 08:36 PM
Unexpectedly got a notification that we are being upgraded to adsl 2+
currently get 8Meg - about 0.6km from exchange, anybody in a similar
position give me an idea of adsl2+ speed if we upgrade

thanks in advance
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The Natural Philosopher
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      10-07-2011, 10:46 PM
Ghostrecon wrote:
> Unexpectedly got a notification that we are being upgraded to adsl 2+
> currently get 8Meg - about 0.6km from exchange, anybody in a similar
> position give me an idea of adsl2+ speed if we upgrade
>
> thanks in advance

I saw about 14meg in a similar installation.

If you get >4.5 its always worth it..better uploads too.
 
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Ghostrecon
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      10-08-2011, 08:41 AM
On Fri, 07 Oct 2011 23:46:29 +0100, The Natural Philosopher wrote:

> Ghostrecon wrote:
>> Unexpectedly got a notification that we are being upgraded to adsl 2+
>> currently get 8Meg - about 0.6km from exchange, anybody in a similar
>> position give me an idea of adsl2+ speed if we upgrade
>>
>> thanks in advance

> I saw about 14meg in a similar installation.
>
> If you get >4.5 its always worth it..better uploads too.


thanks - that seems worthwhile - equipment switch is not until the 19th so
will let folks know how it goes
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Gordon Henderson
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      10-08-2011, 09:53 AM
In article <gkxs84ot09v9$.(E-Mail Removed)>,
Ghostrecon <(E-Mail Removed)> wrote:
>On Fri, 07 Oct 2011 23:46:29 +0100, The Natural Philosopher wrote:
>
>> Ghostrecon wrote:
>>> Unexpectedly got a notification that we are being upgraded to adsl 2+
>>> currently get 8Meg - about 0.6km from exchange, anybody in a similar
>>> position give me an idea of adsl2+ speed if we upgrade
>>>
>>> thanks in advance

>> I saw about 14meg in a similar installation.
>>
>> If you get >4.5 its always worth it..better uploads too.

>
>thanks - that seems worthwhile - equipment switch is not until the 19th so
>will let folks know how it goes


It's well worth "taking stock" of your house wiring at this point to
maximise the potential - e.g. good quality fitered faceplate, keep the
modem/router as close to the master socket as possible and run Cat5,
etc.

I've just done an install for a client who're probably a little further
from the exchange than you, and they're getting just over 16Mb/sec.

Gordon
 
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Wibble
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      10-08-2011, 02:17 PM

"Ghostrecon" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Unexpectedly got a notification that we are being upgraded to adsl 2+
> currently get 8Meg - about 0.6km from exchange, anybody in a similar
> position give me an idea of adsl2+ speed if we upgrade
>


They've just changed me to adsl2+

I am approx 4km from the exchange and was getting approx 3.5 meg download
and approx .5 meg upload

Now I get 3.8 meg down and just over 1 meg upload


 
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George Weston
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      10-08-2011, 04:45 PM
On 08/10/2011 15:17, Wibble wrote:
> "Ghostrecon"<(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
>> Unexpectedly got a notification that we are being upgraded to adsl 2+
>> currently get 8Meg - about 0.6km from exchange, anybody in a similar
>> position give me an idea of adsl2+ speed if we upgrade
>>

>
> They've just changed me to adsl2+
>
> I am approx 4km from the exchange and was getting approx 3.5 meg download
> and approx .5 meg upload
>
> Now I get 3.8 meg down and just over 1 meg upload
>
>

That's probably about right.
ADSL2+ only gives a good improvement if you're already getting a good
speed, which is a bummer but true.

Check your router stats and find your downstream attenuation figure.
Then go to: http://www.kitz.co.uk/adsl/max_speed_calc.php and input it
in the first box and click "calculate". It will then give an estimate of
your line length and what speeds you're likely to get.

I suspect that your results might well be similar to mine, as follows
Attenuation = 56.5dB
Estimated line length = 4.1Km
ADSL Max speed (current) = 3424
ADSL2+ forecast for that attenuation = 3712.
A slight improvement but not a lot!

You'll not be able to change your attenuation by much, if at all, as
this is directly related to line length.

To see how things change feed in a couple of fictitious (better)
attenuation figures and you'll see that the lower the attenuation, the
higher the speed.

For instance, an attenuation figure of 40dB would give a "before" figure
of 6976 and after at 9024.
A 30dB attenuation would result in a "before" speed of 7904 and
afterwards at 15264.

George
 
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Ghostrecon
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      10-08-2011, 05:58 PM
On Sat, 08 Oct 2011 17:45:06 +0100, George Weston wrote:

> On 08/10/2011 15:17, Wibble wrote:
>> "Ghostrecon"<(E-Mail Removed)> wrote in message
>> news:(E-Mail Removed)...
>>> Unexpectedly got a notification that we are being upgraded to adsl 2+
>>> currently get 8Meg - about 0.6km from exchange, anybody in a similar
>>> position give me an idea of adsl2+ speed if we upgrade
>>>

>>
>> They've just changed me to adsl2+
>>
>> I am approx 4km from the exchange and was getting approx 3.5 meg download
>> and approx .5 meg upload
>>
>> Now I get 3.8 meg down and just over 1 meg upload
>>
>>

> That's probably about right.
> ADSL2+ only gives a good improvement if you're already getting a good
> speed, which is a bummer but true.
>
> Check your router stats and find your downstream attenuation figure.
> Then go to: http://www.kitz.co.uk/adsl/max_speed_calc.php and input it
> in the first box and click "calculate". It will then give an estimate of
> your line length and what speeds you're likely to get.
>
> I suspect that your results might well be similar to mine, as follows
> Attenuation = 56.5dB
> Estimated line length = 4.1Km
> ADSL Max speed (current) = 3424
> ADSL2+ forecast for that attenuation = 3712.
> A slight improvement but not a lot!
>
> You'll not be able to change your attenuation by much, if at all, as
> this is directly related to line length.
>
> To see how things change feed in a couple of fictitious (better)
> attenuation figures and you'll see that the lower the attenuation, the
> higher the speed.
>
> For instance, an attenuation figure of 40dB would give a "before" figure
> of 6976 and after at 9024.
> A 30dB attenuation would result in a "before" speed of 7904 and
> afterwards at 15264.
>
> George


thanks - my attenuation is 23Db which gives a line length of 1.7 km dsl
speeds of 8128 profile of 7150 both of which is consistent with current
adsl - it predicts 19168 and an ip profile o 16000 - we'll see how good the
predictions are - it also says on that site that attenuation figures on
adsl2+ can be 3-4db higher which would bring the profile down to 15000 -
still a doubling if true ....
--
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Ghostrecon
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      10-08-2011, 06:04 PM
On Sat, 8 Oct 2011 09:53:39 +0000 (UTC), Gordon Henderson wrote:

> In article <gkxs84ot09v9$.(E-Mail Removed)>,
> Ghostrecon <(E-Mail Removed)> wrote:
>>On Fri, 07 Oct 2011 23:46:29 +0100, The Natural Philosopher wrote:
>>
>>> Ghostrecon wrote:
>>>> Unexpectedly got a notification that we are being upgraded to adsl 2+
>>>> currently get 8Meg - about 0.6km from exchange, anybody in a similar
>>>> position give me an idea of adsl2+ speed if we upgrade
>>>>
>>>> thanks in advance
>>> I saw about 14meg in a similar installation.
>>>
>>> If you get >4.5 its always worth it..better uploads too.

>>
>>thanks - that seems worthwhile - equipment switch is not until the 19th so
>>will let folks know how it goes

>
> It's well worth "taking stock" of your house wiring at this point to
> maximise the potential - e.g. good quality fitered faceplate, keep the
> modem/router as close to the master socket as possible and run Cat5,
> etc.
>
> I've just done an install for a client who're probably a little further
> from the exchange than you, and they're getting just over 16Mb/sec.
>
> Gordon


cheers - I dont reckon I can do much more on this front - already have
split faceplate - modem is 0.5 m from socket, it feeds wireless/wired
routers for computer(s)/wii/android/ppc access - all NATed and 4 unNATed
address for xboxes - all the wiring is cat5e solid core to faceplates and
24 way distribution panel in the loft - and only a few devices use the
wireless
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Hugo Nebula
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      10-09-2011, 11:53 AM
[Default] On Sat, 8 Oct 2011 18:58:50 +0100, a certain chimpanzee,
Ghostrecon <(E-Mail Removed)>, randomly hit the keyboard and wrote:

>thanks - my attenuation is 23Db which gives a line length of 1.7 km dsl
>speeds of 8128 profile of 7150 both of which is consistent with current
>adsl - it predicts 19168 and an ip profile o 16000 - we'll see how good the
>predictions are - it also says on that site that attenuation figures on
>adsl2+ can be 3-4db higher which would bring the profile down to 15000 -
>still a doubling if true ....


No need to rub it in! Do you stand two feet back from the urinals too?
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"If no-one on the internet wants a piece of this,
just how far from the pack have I strayed"?
 
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Ghostrecon
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      10-09-2011, 02:28 PM
On Sun, 09 Oct 2011 12:53:21 +0100, Hugo Nebula wrote:

> [Default] On Sat, 8 Oct 2011 18:58:50 +0100, a certain chimpanzee,
> Ghostrecon <(E-Mail Removed)>, randomly hit the keyboard and wrote:
>
>>thanks - my attenuation is 23Db which gives a line length of 1.7 km dsl
>>speeds of 8128 profile of 7150 both of which is consistent with current
>>adsl - it predicts 19168 and an ip profile o 16000 - we'll see how good the
>>predictions are - it also says on that site that attenuation figures on
>>adsl2+ can be 3-4db higher which would bring the profile down to 15000 -
>>still a doubling if true ....

>
> No need to rub it in! Do you stand two feet back from the urinals too?


sorry :-(
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