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Topic # 147444 19-Jun-2014 15:51
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Hi there. About 6 months ago I moved from a house in Highbury, Wellington where I had ADSL2+ with Slingshot. I am now in an apartment in Wellington Central. At both places I have been on the naked adsl unlimited plan ($90).

One thing I noticed is that I was getting better speeds from my older place which I found a little surprising. I was able to attain 12mbps real download speed, whereas I am only just making over 8mbps speeds at my new place. Same modem, same router, using ethernet.



I get a very similar result at times of the day. Including peak and off peak times.

My modem is showing a connection with:
ADSL2+(G.992.5)
13305556 DL linespeed
980977 UL linespeed
12 SNR Margin
20 Loop attentuation

Should I be expecting to get faster speeds given this situation? From what I can tell, my loop attenuation is fantastic, with average SNR Margin.

(Irrelevant: Should also be having fibre installed soon - chorus is in 'build' phase - fibre is already installed in building (not directly to apartments), but requires a master splitter and individual apartment ONT installation)

Cheers!

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  Reply # 1069296 19-Jun-2014 15:51
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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 # 1069320 19-Jun-2014 16:18
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In an Apartment i  would suggest you have the best you can get. 




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  Reply # 1069321 19-Jun-2014 16:18
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Depends exactly where the apartment is and what your wiring is like.




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  Reply # 1069323 19-Jun-2014 16:22
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sbiddle: Depends exactly where the apartment is and what your wiring is like.



Down the Lambton Quay end of Willis St.
Any safe/easy way of checking the wiring quality?

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  Reply # 1069337 19-Jun-2014 16:40
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Rappelle:  From what I can tell, my loop attenuation is fantastic, with average SNR Margin.


Assuming you are connected to Chorus gear as opposed to gear directly in your building, then your noise margin is exactly what it should be, and your attenuation is fairly average.

Noise margin is a target set by the equipment your modem is connecting to and 12dB is the standard for Chorus.

Attenuation (in very rough terms) translates to distance, or length of the line - the higher the attenuation, the longer the line. 0dB is the ultimate, and somewhere around 50dB is the limit for a reliable connection.

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  Reply # 1069346 19-Jun-2014 16:51
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your modem is connecting around the 13mbps mark?



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  Reply # 1069350 19-Jun-2014 16:54
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Jase2985: your modem is connecting around the 13mbps mark?


Yes, but I am not getting that as real speeds (reasonably expected). I would have hoped to get 10-12mbps though 

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  Reply # 1069432 19-Jun-2014 17:42
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Rappelle:
Jase2985: your modem is connecting around the 13mbps mark?


Yes, but I am not getting that as real speeds (reasonably expected). I would have hoped to get 10-12mbps though 


considering your modem is syncing at a higher rate (remember to account for overhead.), looks like a throughput issue.


given your syncing at 13mbit on the physical layer, ild expect about you to atlest be seeing 9~10mbit. ild speak to your provider..


as has been pointed out, your SNR is spot on for chorus gear, and while your line attenuation isnt bad by any respects, its not the best iver - this is a distance thing, and your not going to improve it.




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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 # 1069478 19-Jun-2014 18:36
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As the Featherston St exchange is unbundled I'm really surprised you're not on Callplus ULL kit.



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  Reply # 1069490 19-Jun-2014 18:40
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sbiddle: As the Featherston St exchange is unbundled I'm really surprised you're not on Callplus ULL kit. 


Maybe he is and it's more congested than the Chorus backhaul..... haha

.. but the 12dB noise margin indicates probably Chorus network.



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  Reply # 1069502 19-Jun-2014 19:11
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Not sure whether I should bother inquiring further, or just wait for fibre

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  Reply # 1069503 19-Jun-2014 19:13
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Rappelle: Not sure whether I should bother inquiring further, or just wait for fibre


thats up to you. 

just be aware, the build phase may take some time!




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