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Topic # 129481 17-Sep-2013 15:13
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Hey guys,
Hoping some experts could give me some advice here.
Just got VDSL with snap over the weekend. Noticed that the speeds are more or less the same as what I had with my previous ISP - similar to ADSL 2 speeds. It seems like I get ADSL 2 down and VDSL up.

Gave SamF's post a read on VDSL performance & tuning and worked out I live approx 1.15k from the nearest cabinet.
I am experiencing no difference in speed, attached are results.
In your opinions do you think it's worth following this up with Snap? Could it be the Chorus tech may have made a mistake?

Thanks very much for all your help

Attached my speed test result - Does it look right?


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  Reply # 897015 17-Sep-2013 15:13
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Hello... Our robot found some keywords in your post, so here is an automated reply with some important things to note regarding broadband speeds.

 



 

If you are posting regarding DSL speeds please check that

 



 

- you have reset your modem and router

 


 

- your PC (or other PCs in your LAN) is not downloading large files when you are testing

 

- you are not being throttled by your ISP due to going over the monthly cap

 


 

- your tests are always done on an ethernet connection to the router - do not use wireless for testing

 


 

- you read this topic and follow the instructions there.

 



 

Make sure you provide information for other users to help you. If you have not already done it, please EDIT your post and add this now:

 



 

- Your ISP and plan

 


 

- Type of connection (ADSL, ADSL2, VDSL)

 


 

- Your modem DSL stats (do not worry about posting Speedtest, we need sync rate, attenuation and noise margin)

 


 

- Your general location (or street)

 


 

- If you are rural or urban

 


 

- If you know your connection is to an exchange, cabinet or conklin

 


 

- If your connection is to a ULL or wholesale service

 


 

- If you have done an isolation test as per the link above

 



 

Most of the problems with speed are likely to be related to internal wiring issues. Read this discussion to find out more about this. Your ISP is not intentionally slowing you down today (unless you are on a managed plan). Also if this is the school holidays it's likely you will notice slower than usual speed due to more users online.

 



 

A master splitter is required for VDSL2 and in most cases will improve speeds on DSL connections. Regular disconnections can be a monitored alarm or a set top box trying to connect. If there's an alarm connected to your line even if you don't have an alarm contract it may still try to connect so it's worth checking.

 



 

I recommend you read these two blog posts:

 



 

- Is your premises phone wiring impacting your broadband performance? (very technical)

 


 

- Are you receiving a substandard ULL ADSL2+ connection from your ISP?




I am the Geekzone Robot and I am here to help. I am from the Internet. I do not interact. Do not expect other replies from me.



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  Reply # 897023 17-Sep-2013 15:17
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Please post modem line stats posting speedtests adds no value

Over 1k from exchange / cabinet you are really getting what you should enjoy the faster up-link speed

 
 
 
 




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  Reply # 897026 17-Sep-2013 15:24
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Thanks for the quick reply john.
Are these the details you were referring to?


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  Reply # 897027 17-Sep-2013 15:24
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When I got VDSL, I started at 16mbps (up by 2mbps from my ADSL2+) after about 8 weeks I've now got 24mbps and I think that is the highest I will get given the age of the cables in the area.... You might find on training that you get a higher speed. IT is worth speaking to Snap to make them aware, but perhaps monitoring the performance over the next week might be a good option.

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  Reply # 897028 17-Sep-2013 15:25
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Can you make the picture bit larger please



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  Reply # 897030 17-Sep-2013 15:28
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johnr: Can you make the picture bit larger please


Sorry, fixed.



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  Reply # 897031 17-Sep-2013 15:30
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Benoire: When I got VDSL, I started at 16mbps (up by 2mbps from my ADSL2+) after about 8 weeks I've now got 24mbps and I think that is the highest I will get given the age of the cables in the area.... You might find on training that you get a higher speed. IT is worth speaking to Snap to make them aware, but perhaps monitoring the performance over the next week might be a good option.


Hmm, that's good to know. But 8 weeks is awhile to wait. The chorus tech did say that after 10 days the speed should stabilize, in most cases that means increase.
We actually started on 15mbps. Has since decreased.

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  Reply # 897036 17-Sep-2013 15:34
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Mine stopped training after around 10/12 days I think, rose to 26 and then dropped down again due to some factor... You'll probably see a massive increase ina a few days and then it will start to adjust itself.

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  Reply # 897042 17-Sep-2013 15:44
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Just play the waiting game



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  Reply # 897045 17-Sep-2013 15:47
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Thanks guy, ok I will wait! God I'm so impatient.

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  Reply # 897058 17-Sep-2013 16:04
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i assume a splitter was indeed installed?

how the spectrum looking?

CRCPM of 0.01, looking good to move down some profiles, unfortunately, that is all down to the waiting game.


at 16db, i suspect you were certainly boarder line ild say..




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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


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  Reply # 897087 17-Sep-2013 16:35
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Posting the Spectrum tab would be handy.

TO be honest your initial sync sounds low. I was syncing at 37Mbps on day 1 at a 15dB attenuation. Your attenuation is 1dB higher, which shouldn't account for such a drop in downstream. Could be some dodgy internal wiring, which the Spectrum tab will help identify.



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  Reply # 897128 17-Sep-2013 17:13
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Thanks for your replies guys,
here's a screen of my spectrum:




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  Reply # 897129 17-Sep-2013 17:14
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hio77: i assume a splitter was indeed installed?

how the spectrum looking?

CRCPM of 0.01, looking good to move down some profiles, unfortunately, that is all down to the waiting game.


at 16db, i suspect you were certainly boarder line ild say..


Hey hio,
A splitter was no installed - I was surprised about that. They plugged the cable directly into the r11 port.

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  Reply # 897143 17-Sep-2013 17:51
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That spectrum shows some serious wiring issues not related to the distance from the cabinet

About the splitter; that could be correct. For VDSL a 'master splitter' is installed. It is not visible as it is usually installed inside your ETP (Telecom/Chorus box on the side of your house where your phone line comes in). Were you present during the installation? The technicians should have spent a bit of time installing a dedicated VDSL line from the master splitter to the jack point where your modem connects.

If this was not done, it will certainly be the cause of the bad graph, and your slow speeds. 

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