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ZiglioNZ

194 posts

Master Geek


  #853827 11-Jul-2013 12:51
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joker97: of course they are just predicting, there is only ONE way to find out ... good luck


Thank you. Will keep you posted.

PS Anybody interested in a ADSL/VDSL modem with integrated SIP and SIP server? 

 
 
 

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nickb800
2699 posts

Uber Geek

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  #853859 11-Jul-2013 13:47
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ZiglioNZ:
joker97:
ZiglioNZ:
eXDee: As above, they have restrictions on what line conditions are to get VDSL2. I highly doubt they will budge from this, especially considering your attenuation is far above their threshold.


As I wrote, the attenuation appears to be lower than what my modem reports, according to one provider. I quote him saying "slightly higher than 10.8".
I'm not holding my breath but one can always hope, for the gains in uplink speed that VDSL would provide.


that is EXACTLY why they are not providing you VDSL - they are suggesting the gains to be had is minimal, sometimes you might even get WORSE speeds than ADSL if you attenuation is not near-PERFECT

anyway i'm in the same boat - no VDSL (poor attenuation), no UFB


I've asked some providers whether I could get same speed as ADSL (not worse, VDSL should degrade to ADSL performances) and still get better uplink speed. They think so.
Even if VDSL degrades the downlink speed in favour of better uplink, I would be really happy.
One example: it takes me a whole night to upload one of my son's soccer games to youtube. Halving that time would be nice. Also I do a lot of Skype videocalls with my folks on the other side of the world.
Any improvement would be really welcome, for the next three years, if we get UFB as promised.


Its bigger than you though, Chorus also have to consider your neighbour's xDSL services. if you refer to here

sbiddle: A poor VDSL2 connection results in the modem increasing it’s transmit power to attempt to compensate, which can cause cross talk, and ultimately affect other xDSL connections in the same multi pair MPF closer to the cabinet or exchange.

RunningMan
8213 posts

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  #853878 11-Jul-2013 14:02
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nickb800:
Its bigger than you though, Chorus also have to consider your neighbour's xDSL services. if you refer to here

sbiddle: A poor VDSL2 connection results in the modem increasing it’s transmit power to attempt to compensate, which can cause cross talk, and ultimately affect other xDSL connections in the same multi pair MPF closer to the cabinet or exchange.


This.



RunningMan
8213 posts

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  #853881 11-Jul-2013 14:03
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Greg2012: I would like to know who to contact regarding VDSL - it seems it's available in my street, but just down the road and not quite to my property.

What can I do ?


Move a bit further down the street?

Contact any ISP offering VDSL for a prequal check to confirm.

ZiglioNZ

194 posts

Master Geek


  #853886 11-Jul-2013 14:18
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Its bigger than you though, Chorus also have to consider your neighbour's xDSL services. if you refer to here


I'm aware of that, it's up to them to decide. Maybe my neighbours are all on dialup...

webwat
2036 posts

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  #855243 14-Jul-2013 13:31
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Greg2012: I would like to know who to contact regarding VDSL - it seems it's available in my street, but just down the road and not quite to my property.

What can I do ?


If its not quite to your property then its likely too far away, ie the distance would prevent it being any faster than ADSL2+.

If you can't get 20Mbps+ on ADSL, then VDSL would sync at a similar speed and be quite pointless. The long term solution is to suck it up and wait for fibre. In the mean time you can install a master filter that may get you an extra 2 megs if you are lucky. This will make a worthwhile difference if you have old phone wiring, lots of phone outlets, or a burglar alarm.




Time to find a new industry!


ZiglioNZ

194 posts

Master Geek


  #865234 24-Jul-2013 17:17
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Update: it's a definite no from Telecom too.
The difference with the other providers is that they got the phone line connected before actually putting the VDSL job request through to Chorus.
So, after connecting the phone line (while I was still on naked broadband with our current provider) they came back saying that they were sorry but they could only provide ADSL and that I could stay with my current provider if I wished to.
They will not send someone to install the master filter/improve local wiring (that's a Chorus job, and it's included/sponsorized just for a VDSL installation).

I've found where the cabinet is (HBN/N) and definitely it looks at least 1km away.
So, yeah, 3 more years of slow uplink speed for us...

Regarding the near/far problem: 10.3dB is the hard limit Chorus has chosen as a threshold (although some users have reported having been connected with a far higher attenuation).
Would a higher limit cause interferences with neighbouring pairs only in the VDSL case or also with ADSL?
I was wondering because if VDSL is not very successful (because people see it as an interim solution, they can't be bothered upgrading the modem etc.), perhaps Chorus could relax a bit their limit.


Also I've seen there's some research going on for working around this problem, but I don't know the details, here's a whitepaper:
http://www.ericsson.com/ro/res/thecompany/docs/publications/ericsson_review/2006/vdsl2.pdf



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