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6 posts

Wannabe Geek
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Topic # 198814 23-Jul-2016 18:03
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I had orginally posted this in a reply to someone else but realised that it would be best right here.


VDSL installations, i was under the impression that they have hard limits about maximum attenuation etc ultimately resulting in being too far from cabinet you get a NO for VDSL install.  Try this on for size and... hmm why?




I live in Kaiteriteri about 3km from cabinet - until Dec 2015 we were so dark age we could only get ADSL1.  Then finally got cabinet upgraded.  Originally was connected with ADSL1 and, of course, sync speeds were roughly 5000/500.  Then the newer result after the upgrade to ADSL2+ 7000/680. After trying this out last Dec.. it was sloooooow!   The internet seemed to grind to a halt when the holidaying crowds of people came here for the summer holidays.


That was enough for DSL!  Along came 4G RBI and it was lightning fast and did not slow down!  Only thing it was 80GB Cap and expensive in comparison to DSL.   


Anyway 7 months later - bringing me to last week, wanted to simply upgrade RBI to add a VOIP phone line to my existing RBI plan.  Then the salesperson quickly informs me that VDSL was all of a sudden available ....  at my house .... in the hills ... far away from anything!  I was very surprised to say the least!  I already knew the attenuation rates of the ADSL2 that I had prior were already shocking BUT he did say very firmly that yes ... it is suddenly available (to which he called superiors and promply put through an order).  After hearing this, I had to see what he is talking about and decided to call his bluff to see what would happen.


Next thing (less than 2 days later) I had VDSL installed - just like that!    Already had a fritzbox in the drawer so I plugged that in - prefer that to the cheap one that I got sent - see the results below:




Question: have they opened up a can of VDSL on remote locations that is taking over ADSL ... or something else?


Max. DSLAM throughput kbit/s - 100016/51200   
Attainable throughput kbit/s - 7765/1053
Current throughput kbit/s - 7765/1053
Seamless rate adaptation - off/off        
Latency - fast/fast
Impulse Noise Protection (INP) - 0/0
G.INP - off/off        
Signal-to-noise ratio dB - 9/9
Bitswap - on/on
Line attenuation dB - 38/22        
Profile 8b    
G.Vector - off off        
Carrier record - A43





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5576 posts

Uber Geek
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  Reply # 1597380 23-Jul-2016 18:03
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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:


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.

4098 posts

Uber Geek
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  Reply # 1597399 23-Jul-2016 18:16
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I think at 3kms you are too far away for VDSL.


6 posts

Wannabe Geek
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Reply # 1597400 23-Jul-2016 18:18
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Yeah thats what I thought too!  Dont get me wrong .. I am not complaining and its fine - I am happy with the speeds I have (still the the RBI) .. I am just positively curious as to what and why!

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Master Geek
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  Reply # 1597412 23-Jul-2016 19:14
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3km does sound to far. 


I can check the Chorus database if you want to message me your address.


I am surprised to hear that on the new ADSL 2+ cabinet it slowed down during the busy holiday time, these are mostly connected back with fibre. It almost makes me wonder if the ISP was getting hammer. Chorus generally try pretty hard to avoid congestion on there ISAMs (which is the ADSL 2+ / VDSL cabinets) and often do upgrades when more capacity is needed.


Depending on the ISP they may handover from Chorus locally in Kerikeri and backhaul the traffic to Auckland themselves. Other ISPs use Chorus to backhaul the traffic back to Auckland (aka Tail Extension).

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Uber Geek
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  Reply # 1597637 24-Jul-2016 10:41
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Wow...  I'm astonished VDSL is working over that distance (based on hearing repeatedly that VDSL will only work over the 'hundreds of metres' distance).  That is a respectable connection, and I hope the reliability is stellar.

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Uber Geek
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  Reply # 1597727 24-Jul-2016 14:20
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Are you sure that Chorus didn't just install another cabinet that is closer? I'm guessing a new cabinet as the max throughput is 100mbit. Older isams only goto 70mbit.

@cody770 do you have a master filter installed? If not get one put in and you will probably get some extra speed.

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  Reply # 1597733 24-Jul-2016 14:37
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VDSL2 can reach up to approx. 3km, but speed after 1.5km aligns much closer to ADSL2+ speeds. There is also long reach VDSL, but I haven't heard of that in NZ yet.



Chorus has spent $1.4 billion on making their xDSL broadband network faster. If your still stuck on ADSL or VDSL, why not spend from $150 on a master filter install to make sure you are getting the most out of your connection?
I install - Naked DSL, DSL Master Splitters, VoIP, data cabling and general computer support for home and small business.
Rural Broadband RBI installer for Ultimate Broadband and Full Flavour


Need help in Auckland, Waikato or BoP? Click my email button, or email me direct: [my user name] at geekzonemail dot com

6 posts

Wannabe Geek
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  Reply # 1597874 24-Jul-2016 22:01
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Yeah seems to be what I thought.. Thanks for all your replies so far. It is very stable .. More so than previous vdsl connections that I have had. I am unaware of any new cabinets but I am roughly in the middle of two with approx 6km in between. I do have a master filter installed and to be honest made no difference to a before and after sadly.

It does align with ADSL2 speeds .. Still for the unlimited data and $20 cheaper than 80GB previously .. No comparison!

'That VDSL Cat'
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Uber Geek
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  Reply # 1597884 24-Jul-2016 23:02
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VDSL2 can reach up to approx. 3km, but speed after 1.5km aligns much closer to ADSL2+ speeds. There is also long reach VDSL, but I haven't heard of that in NZ yet.





AFAIK chorus have not used the longreach vdsl.




identically speced adsl vs vdsl would be slightly faster on adsl due to PTM, but then there is all the little things like DLM etc that you have to be aware of too.

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680 posts

Ultimate Geek
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  Reply # 1597886 24-Jul-2016 23:15
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Also, something people don't often take into account, is often in towns the copper is a mixture of 0.5mm, 0.63mm and 0.4mm with the majority being 0.4mm, while often in rural locations it's almost entirely 0.63mm - this gets you a bit more wiggle room with signal, I've seen ADSL 1 going up to 13km away - although that was on mostly 0.9mm cable.

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