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142 posts

Master Geek
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Reply # 872023 5-Aug-2013 14:08
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Hi all,

My friendly Chorus installer didn't seem to know whether I still needed to use the ADSL line filters on my phone after he'd connected up my VDSL line.

As I understand it, he would've installed an external splitter somewhere (required for VDSL?) and so this would negate the filter requirement.

Correct?

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Uber Geek
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  Reply # 872026 5-Aug-2013 14:12
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Correct

Cyril

573 posts

Ultimate Geek
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  Reply # 872231 5-Aug-2013 18:37
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Amosnz:
helterskelter07: Where does it show the DLM profile ???

Bearers generic info DS US
Payload rate [Kbps]: 67368 10352
Attenuation [dB]: 2.3 6.0
Margins [dB]: 12.3 30.6
Output power [dBm]: 10.6 -2.3

Number of bearers: 1
Bearer 0 DS US
INP [DMT symbols]: 1.00 1.00
Delay [ms]: 8.00 8.00
Depth []: 285 0.00
R: 16 0



Reading any of the last few pages would have answered your question.

DLM-1     1ms  0INP
DLM-2     8ms  0INP
DLM-4     8ms  1INP
DLM-6     8ms  2INP
DLM-3   16ms  0INP
DLM-5   16ms  1INP
DLM-7   16ms  2INP
DLM-8   16ms  4INP

Looks like you are on DLM-4.

These are my connection stats, so which DLM am I on as 0ms is not on the above table!!
Bearers generic info DS US
Payload rate [Kbps]: 69160 10342
Attenuation [dB]: 5.8 11.6
Margins [dB]: 12.6 30.7
Output power [dBm]: 10.6 5.1

Number of bearers: 1
Bearer 0 DS US
INP [DMT symbols]: 0.00 0.00
Delay [ms]: 0.00 0.00
Depth []: 1 0.00
R: 0 0

31 posts

Geek
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  Reply # 872261 5-Aug-2013 19:15
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My friendly Chorus installer didn't seem to know whether I still needed to use the ADSL line filters on my phone after he'd connected up my VDSL line.


It really boggles the mind that people install these things but can't figure out what they're for

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  Reply # 872289 5-Aug-2013 19:39
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hydroksyde:
My friendly Chorus installer didn't seem to know whether I still needed to use the ADSL line filters on my phone after he'd connected up my VDSL line.


It really boggles the mind that people install these things but can't figure out what they're for


Agreed, that worries me lol. I have to assume they just get a brightly coloured piece of paper that shows them the green bit plugs on to the other green bit and the rd bit plugs on to the other red bit, then you say the magic words and it's done kids!




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Samsung Galaxy S5 SM-G900I w/Spark

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Ultimate Geek
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  Reply # 872343 5-Aug-2013 20:27
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stitch:
These are my connection stats, so which DLM am I on as 0ms is not on the above table!!
Bearers generic info DS US
Payload rate [Kbps]: 69160 10342
Attenuation [dB]: 5.8 11.6
Margins [dB]: 12.6 30.7
Output power [dBm]: 10.6 5.1

Number of bearers: 1
Bearer 0 DS US
INP [DMT symbols]: 0.00 0.00
Delay [ms]: 0.00 0.00
Depth []: 1 0.00
R: 0 0


Considering your on 69mbit down you must be on 17a port profile.  Thats quite exceptional for your Attentuation and still at 12db margin.
I've just been talking to a mate whose on 55mbit down (also 17a profile) and his fritz shows the INP as 0 and the latency as "fast" instead of an actual ms reading, so my guess is that 17a isnt reported properly in some modems.  Can't say for sure what DLM you are on, but i'm pretty sure "the best one" would be accurate.




Speedtest

142 posts

Master Geek
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  Reply # 872404 5-Aug-2013 22:01
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Hi there,

Are there any Telecom staff lurking who might be able to reset/restart the DLM operation on my line please. My Technicolor router requires a reboot as I am not able to login (via web or telnet), and seeing as I am on day 3 I am a little nervous powering it down.

I guess I could phone the broadband helpdesk but thought I'd try here first.

Thanks
Peter.

82 posts

Master Geek
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  Reply # 872407 5-Aug-2013 22:04
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I have the same DLM stats as stitch, with a lot more attenuation and way less speeds, obv due to my distance from the exchange (atleast 900m). But I seem to be pinging same as my old ADSL2 to Aux/Sydney etc, whereas at the start of VDSL I definitely had extra latency

This is comparing today with last week

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Master Geek
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  Reply # 872412 5-Aug-2013 22:26
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Torquenstein: I have the same DLM stats as stitch, with a lot more attenuation and way less speeds, obv due to my distance from the exchange (atleast 900m). But I seem to be pinging same as my old ADSL2 to Aux/Sydney etc, whereas at the start of VDSL I definitely had extra latency

This is comparing today with last week


At first image, noise margin was 7.6. Thats why you get 18346 sync.  But how did it happened? Did you lowered it?
At second you have 12.5 with lower Sync 14107. 

And Attenuation is high. 




Sorry about my English guys :>

82 posts

Master Geek
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  Reply # 872416 5-Aug-2013 22:37
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Didnt change a thing between then and now. Oh, and I know my speeds are horrible for VDSL I dont expect them to get any better either. Multiple people have told me that my order for VDSL should have been denied by chorus, never recieved a prequel either. Just find the DLM stats interesting as they don't match any profiles.

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Wannabe Geek


  Reply # 872639 6-Aug-2013 12:55
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Had my vdsl installed on 1 August. 700 meters away from cabinet, speed so far is 10m/36m. dlm 4

How can I connect to dlm 1?

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  Reply # 872653 6-Aug-2013 13:12
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1cf2: Had my vdsl installed on 1 August. 700 meters away from cabinet, speed so far is 10m/36m. dlm 4

How can I connect to dlm 1?


It's not something you can choose like on ADSL2+... You have to wait, and refrain from rebooting your router or disconnecting the DSL line as far as possible.

It can take weeks for DLM profiles to change. The automated system constantly evaluates if you are on the most suitable profile. (Note, most suitable is NOT always the same as fastest)

Cheers -N


133 posts

Master Geek
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  Reply # 872654 6-Aug-2013 13:13
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DLM is an automated process. It's highly unlikely you will get to DLM-1 at that distance as you will have much higher attenuation than say myself at ~100m from the cabinet. 
I would expect at that distance to stay on DLM-6 or possibly move up to DLM-4 if stable enough. 

If you want to check it you can Telnet into your modem and look at your INP & Margin readings, and compare those against the info in the VDSL Tuning thread :)

671 posts

Ultimate Geek
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  Reply # 872666 6-Aug-2013 13:26
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Is there a direct relation to what DLM you are and connection speed ? Or is it not quite that simple ?

3 posts

Wannabe Geek


  Reply # 872824 6-Aug-2013 19:20
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Jarsky: DLM is an automated process. It's highly unlikely you will get to DLM-1 at that distance as you will have much higher attenuation than say myself at ~100m from the cabinet.
I would expect at that distance to stay on DLM-6 or possibly move up to DLM-4 if stable enough.

If you want to check it you can Telnet into your modem and look at your INP & Margin readings, and compare those against the info in the VDSL Tuning thread :)






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