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uk.telecom.broadband (UK broadband) (uk.telecom.broadband) Discussion of broadband services, technology and equipment as provided in the UK. Discussions of specific services based on ADSL, cable modems or other broadband technology are also on-topic. Advertising is not allowed.

ADSL2+ versus ADSL



 
 
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  #1  
Old April 23rd 08, 04:56 PM posted to uk.telecom.broadband
PeterW
external usenet poster
 
Posts: 18
Default ADSL2+ versus ADSL

Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?

I have attached the payload stats to give an indication of line quality.

Many thanks
Peter


zyxel wa ad ch
DSL standard: ADSL_G.dmt
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 4672 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 448 kbps

zyxel wa ad li n

noise margin downstream: 11 db
output power upstream: 11 db
attenuation downstream: 41 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 32- 63: 00 00 00 23 45 56 67 78 89 99 99 9a 99 99 99 9a
tone 64- 95: 09 99 99 99 99 99 99 99 99 99 99 98 89 99 88 98
tone 96-127: 99 98 98 88 88 88 88 88 88 78 88 88 77 77 78 77
tone 128-159: 76 77 78 88 88 77 88 88 88 77 77 77 77 77 77 77
tone 160-191: 76 77 70 77 77 77 77 77 77 77 77 77 06 65 05 56
tone 192-223: 67 07 77 70 00 05 50 50 00 00 00 50 56 50 55 54
tone 224-255: 00 00 00 00 00 04 44 00 04 03 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

zyxel wa ad li f

noise margin upstream: 20 db
output power downstream: 18 db
attenuation upstream: 24 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 02 34 56 67 77 77 87 87 77 76 65 43 00
tone 32- 63: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 64- 95: 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 96-127: 00 00 00 86 75 67 76 76 85 77 76 86 86 87 76 75
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  #2  
Old April 23rd 08, 05:17 PM posted to uk.telecom.broadband
Ian
external usenet poster
 
Posts: 2
Default ADSL2+ versus ADSL


"PeterW" wrote in message
...
Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?

I have attached the payload stats to give an indication of line quality.

Many thanks
Peter


zyxel wa ad ch
DSL standard: ADSL_G.dmt
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 4672 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 448 kbps

zyxel wa ad li n

noise margin downstream: 11 db
output power upstream: 11 db
attenuation downstream: 41 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 32- 63: 00 00 00 23 45 56 67 78 89 99 99 9a 99 99 99 9a
tone 64- 95: 09 99 99 99 99 99 99 99 99 99 99 98 89 99 88 98
tone 96-127: 99 98 98 88 88 88 88 88 88 78 88 88 77 77 78 77
tone 128-159: 76 77 78 88 88 77 88 88 88 77 77 77 77 77 77 77
tone 160-191: 76 77 70 77 77 77 77 77 77 77 77 77 06 65 05 56
tone 192-223: 67 07 77 70 00 05 50 50 00 00 00 50 56 50 55 54
tone 224-255: 00 00 00 00 00 04 44 00 04 03 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

zyxel wa ad li f

noise margin upstream: 20 db
output power downstream: 18 db
attenuation upstream: 24 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 02 34 56 67 77 77 87 87 77 76 65 43 00
tone 32- 63: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 64- 95: 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 96-127: 00 00 00 86 75 67 76 76 85 77 76 86 86 87 76 75
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00



http://www.beforum.co.uk/showthread.php?t=6490


  #3  
Old April 23rd 08, 05:21 PM posted to uk.telecom.broadband
The Natural Philosopher
external usenet poster
 
Posts: 1,000
Default ADSL2+ versus ADSL

Ian wrote:
"PeterW" wrote in message
...
Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?

I have attached the payload stats to give an indication of line quality.

Many thanks
Peter


zyxel wa ad ch
DSL standard: ADSL_G.dmt
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 4672 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 448 kbps

zyxel wa ad li n

noise margin downstream: 11 db
output power upstream: 11 db
attenuation downstream: 41 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 32- 63: 00 00 00 23 45 56 67 78 89 99 99 9a 99 99 99 9a
tone 64- 95: 09 99 99 99 99 99 99 99 99 99 99 98 89 99 88 98
tone 96-127: 99 98 98 88 88 88 88 88 88 78 88 88 77 77 78 77
tone 128-159: 76 77 78 88 88 77 88 88 88 77 77 77 77 77 77 77
tone 160-191: 76 77 70 77 77 77 77 77 77 77 77 77 06 65 05 56
tone 192-223: 67 07 77 70 00 05 50 50 00 00 00 50 56 50 55 54
tone 224-255: 00 00 00 00 00 04 44 00 04 03 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

zyxel wa ad li f

noise margin upstream: 20 db
output power downstream: 18 db
attenuation upstream: 24 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 02 34 56 67 77 77 87 87 77 76 65 43 00
tone 32- 63: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 64- 95: 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 96-127: 00 00 00 86 75 67 76 76 85 77 76 86 86 87 76 75
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00



http://www.beforum.co.uk/showthread.php?t=6490


Neat. What are the upload speeds?
  #4  
Old April 23rd 08, 05:26 PM posted to uk.telecom.broadband
Eeyore
external usenet poster
 
Posts: 3,222
Default ADSL2+ versus ADSL



PeterW wrote:

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?


Maybe 6-7 Mbps ?

Graham

  #5  
Old April 23rd 08, 05:51 PM posted to uk.telecom.broadband
Ian
external usenet poster
 
Posts: 2
Default ADSL2+ versus ADSL


"PeterW" wrote in message
...
Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?

I have attached the payload stats to give an indication of line quality.

Many thanks
Peter


zyxel wa ad ch
DSL standard: ADSL_G.dmt
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 4672 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 448 kbps

zyxel wa ad li n

noise margin downstream: 11 db
output power upstream: 11 db
attenuation downstream: 41 db
carrier load: number of bits per symbol(tone)


Before I moved to ADSL2+ I was on ADSL max, my stats were 29 att and 9 snr
downstream. I used to connect at 8128kbps. After moving to ADSL2+ I sync at
17-19mbit fastpath.


  #6  
Old April 23rd 08, 07:28 PM posted to uk.telecom.broadband
The Natural Philosopher
external usenet poster
 
Posts: 1,000
Default ADSL2+ versus ADSL

Ian wrote:
"PeterW" wrote in message
...
Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?

I have attached the payload stats to give an indication of line quality.

Many thanks
Peter


zyxel wa ad ch
DSL standard: ADSL_G.dmt
near-end interleaved channel bit rate: 0 kbps
near-end fast channel bit rate: 4672 kbps
far-end interleaved channel bit rate: 0 kbps
far-end fast channel bit rate: 448 kbps

zyxel wa ad li n

noise margin downstream: 11 db
output power upstream: 11 db
attenuation downstream: 41 db
carrier load: number of bits per symbol(tone)


Before I moved to ADSL2+ I was on ADSL max, my stats were 29 att and 9 snr
downstream. I used to connect at 8128kbps. After moving to ADSL2+ I sync at
17-19mbit fastpath.


The graphs shown (or pinted at) a few posts ago show that teh advantage
with ADSL2 evaporates the further you are from the exchenge. In my case
it looks like I might go from e.g. 4-5Mbps rates

Hardly worth bothering with. Unles teh upload speed went up. I;d like an
800K upload fer sure.
  #7  
Old April 24th 08, 12:43 AM posted to uk.telecom.broadband
Michael Chare
external usenet poster
 
Posts: 283
Default ADSL2+ versus ADSL

"The Natural Philosopher" wrote in message
...
Ian wrote:

http://www.beforum.co.uk/showthread.php?t=6490

Neat. What are the upload speeds?



So on lines with 55+dB attentuation, ADSL2+ does not offer any improvement!

I hope that it is wrong! See
http://www.internode.on.net/resident...ernet/extreme/

for an alternative viewpoint.

--
Michael Chare

  #8  
Old April 24th 08, 04:20 AM posted to uk.telecom.broadband
Martin²
external usenet poster
 
Posts: 848
Default ADSL2+ versus ADSL

http://www.beforum.co.uk/showthread.php?t=6490
I hope that it is wrong! See
http://www.internode.on.net/resident...ernet/extreme/

According to both graphs at 50dB I should be getting up to 3.5Mb/s, but in
fact even with the 2WIRE router (which proved to be best) I struggle to get
2.3Mb/s.

Worse still ADSL2+ isn't going to make much, if any difference !
Regards,
Martin


  #9  
Old April 24th 08, 07:35 AM posted to uk.telecom.broadband
Mark Carver
external usenet poster
 
Posts: 458
Default ADSL2+ versus ADSL

PeterW wrote:
Hi

My ADSL Max is currently getting 4672 @ 11db margin - upstream 448 @ 20dB.
It typically varies from about 4000-5200 winter-summer. Line length is
about 3km.

Can anyone give me an idea of what kind of speed I might get with ADSL2+
which becomes available in August?


I've just been switched from a standard ADSL connection, with the following
parameters:-

Sync 1152k d/s; 288k u/s; SNR 13dB Atten 63dB

To an ADSL2 connection:-

Sync 2746k d/s; 509k u/s; SNR 12dB Atten 58dB

(Interesting that the line attenuation has improved, (mind you as a by product
of this change, my voice circuit has now been dead for 4 days !)


--
Mark
Please replace invalid and invalid with gmx and net to reply.
  #10  
Old April 24th 08, 11:02 AM posted to uk.telecom.broadband
Woby Tide
external usenet poster
 
Posts: 22
Default ADSL2+ versus ADSL

On Apr 24, 12:43*am, "Michael Chare"
wrote:
"The Natural Philosopher" wrote in .net...

Ian wrote:


http://www.beforum.co.uk/showthread.php?t=6490

Neat. What are the upload speeds?


So on lines with 55+dB attentuation, ADSL2+ does not offer any improvement!

*I hope that it is wrong! *Seehttp://www.internode.on.net/residential/internet/extreme/

for an alternative viewpoint.

--
Michael Chare


The first chart is Be/O2 specific I think so that might be to do with
the infrastructure and equipment they use, the Internode chart maybe
measures against different suppliers. FWIW the Be chart was pretty
much sppot on for my connection with them
 




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