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104 posts

Master Geek


Topic # 113777 28-Jan-2013 10:34 Send private message

Hey guys,

A friend of mine has recently connected to ADSL at his place (for the first time) with Vodafone.  His modem connects with a speed of ~7000kbps but he only gets a download bandwidth of 3000kbps.  We've tried with nothing else plugged into the line except the modem, and connected via cable etc, but doesn't seem to make a difference.

Any ideas of things to try, or causes of this?  

I've attached a screenshot of the ADSL connection data - does anyone know whether this gives any clues?

Have tried a different router to make sure that wasn't the prob





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  Reply # 751846 28-Jan-2013 10:53 Send private message

We abouts approx? Sounds like he is connected to a Conklin.




Chorus has spent $1.4 billion on making their ADSL broadband network faster. Why not spend a couple of hundred to make sure you are getting the most out of your connection?
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Master Geek


  Reply # 751847 28-Jan-2013 10:56 Send private message

Conklin??

He's on Laws Road, Dannevirke.  ADSL has only just become available there (6 months ago)

Cheers

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  Reply # 751858 28-Jan-2013 11:15 Send private message

Hi, a Conklin is a small DSLAM that can have one or two E1's as uplinks, therefore limited to 2 or 4Mb/s uplink, it sounds like one has been removed from service elsewhere (probably upgraded to an ISAM) and redeployed here.

Cyril



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Master Geek


  Reply # 751865 28-Jan-2013 11:22 Send private message

Ok - interesting to learn something new. I guess it's only Chorus themselves that'd be able to confirm if that's the case?

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  Reply # 751876 28-Jan-2013 11:29 Send private message

What does the Chorus SAT tool say for the address?

http://www.chorus.co.nz/service-availability-tool




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  Reply # 751877 28-Jan-2013 11:30 Send private message

Hi there,

Your friend appears to be using quite an old modem:

His attainable rate suggests he is on an ADSL2 line however his modem has sync at ADSL1 rates - unless it has been set up to do so this, it indicates the modem is quite a few years old and your friend would instantly benefit from getting a new one. (I would recommend that he gives us a call to organize a modem from us).

Outside of this, based on his attenuation I would also expect that attainable rate to be higher - the fact that it's lower than expected would point towards something not being quite right physically speaking - perhaps he doesn't have filters on all devices, or one of the filters is a tad faulty, or the house wiring is sub par.

I'd say start with this:
1. Get a new (ADSL2+) modem.
2. Use the filters that come with the modem to replace the existing house filters.

By this point you should see a good increase and hopefully will not have any more problems. If you still do then personally I would have a look at having a splitter installed, let us know how you go :)

-Alex



104 posts

Master Geek


  Reply # 751883 28-Jan-2013 11:36 Send private message

Hi Tudorale,

Thanks for the reply.  The routers we've tried are both brand-new, ADSL2+ routers.  The first was the Vodafone Home Gateway router, the 2nd a brand new Netcomm router.

A splitter would be a good option to try.



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Master Geek


  Reply # 751886 28-Jan-2013 11:40 Send private message

Have just run the Chorus SAT tool, which shows it as being ADSL2+ area. But the routers were definitely connecting with G.DMT not ADSL2+

Where to from here?

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  Reply # 751890 28-Jan-2013 11:44 Send private message

How far from exchange? There could be a Conklin between exchange and his address. PM the address if you like and I'll have a sift through the cabinet list etc.




Chorus has spent $1.4 billion on making their ADSL broadband network faster. Why not spend a couple of hundred to make sure you are getting the most out of your connection?
Geekzone special price: $150* for master splitter install, normally $200+ through your ISP. Auckland and Waikato areas.
*Travel charges may apply. Additional costs may apply for complex installs.
I install - Naked DSL, DSL Master Splitters, VoIP, RBI Rural Broadband. Also a dealer for WorldxChange.
Need help in Auckland or Waikato? Click my email button, or email me direct: [my user name] at geekzonemail dot com

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  Reply # 751891 28-Jan-2013 11:44 Send private message

Yeah it's been covered here before, but it's not enough to just remove all other devices from their sockets to test. Without a master splitter installed your modem is exposed to the entire home wiring setup, including internal reflections from unterminated legs etc. A master splitter isolates the modem from the rest of the birds nest of wiring inside the home, effectively giving it a clean direct connection to the incoming line.

If you're already using an ADSL 2+ modem then a master splitter really should be the next step.

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  Reply # 751898 28-Jan-2013 11:52 Send private message

I would get the house wiring checked out by an expert that knows what they are doing






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Master Geek


  Reply # 751912 28-Jan-2013 12:06 Send private message

Johnr wrote:
"Also call Vodafone tech support and get them to log a job with Chorus to check the line profile is set to ADSL2+"

Thanks I will do, cheers


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  Reply # 751933 28-Jan-2013 12:30 Send private message

OK, I have the answer:
Address is 7-8Km from the exchange. You are definitely not connected to exchange with those stats and distance. I am 99% sure your are connected to cabinet DV/AB approx 1km further up the road. This is due for RBI upgrade Year 4, Q1; so July 2014 onwards. This cabinet now is 99% sure to be a Conklin, so approx less that 4Mbps is the most you will get here.

Vodafone can do a full prequel on that address to confirm 100%




Chorus has spent $1.4 billion on making their ADSL broadband network faster. Why not spend a couple of hundred to make sure you are getting the most out of your connection?
Geekzone special price: $150* for master splitter install, normally $200+ through your ISP. Auckland and Waikato areas.
*Travel charges may apply. Additional costs may apply for complex installs.
I install - Naked DSL, DSL Master Splitters, VoIP, RBI Rural Broadband. Also a dealer for WorldxChange.
Need help in Auckland or Waikato? Click my email button, or email me direct: [my user name] at geekzonemail dot com

15551 posts

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+1 received by user: 829

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Vodafone NZ
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  Reply # 751935 28-Jan-2013 12:32 Send private message

If connected to a Conklin then the speeds they are getting should be expected






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Master Geek


  Reply # 751937 28-Jan-2013 12:34 Send private message

coffeebaron: OK, I have the answer:
Address is 7-8Km from the exchange. You are definitely not connected to exchange with those stats and distance. I am 99% sure your are connected to cabinet DV/AB approx 1km further up the road. This is due for RBI upgrade Year 4, Q1; so July 2014 onwards. This cabinet now is 99% sure to be a Conklin, so approx less that 4Mbps is the most you will get here.

Vodafone can do a full prequel on that address to confirm 100%


Thanks Baron,  Appreciate your help

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