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89 posts

Master Geek

#41296 14-Sep-2009 12:54
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So here's the story:

For the record, I have happily had my connection sync at 3200 kbps/160 kbps for the past 2 years or so and should be a good baseline (remember this number!)

Since the 22nd of July (maybe a couple of days earlier) my ADSL connection has been faulty, dropped connections and resulting sync speeds of 192 kbps downstream and 80 kbps upstream (or worse)

Tried 4 different routers, all the same result. No difference with removing all phones & filters and plugging directly into the first jackpoint (I have 2)

So I called Telecom, they sent out a technician who tested my sync at the road and confirmed speed of 3700 kbps and 3200 kbps inside the house. They plugged in some kind of line analyzer device which after running for 10 minutes could not find any problems - then again, the problems did not happen as often as 10 minutes - (more like 2 hours)

Of course the problem was still there so they sent another tech who did some tests and said the 1st jackpoint might be faulty and would replace it. During the time I was waiting they made me retry all the tests I had already done myself (remove phones etc)

Eventually new jackpoints went in (They replaced both for good measure) but sure enough the problem was still there.

Then they did something to the line from the house to the road (not sure what exactly, there was talk of 'swapping the pair of wires' (in what exactly I am not sure)

After they did that, the line has never managed to sync higher than 2200 kbps and the disconnection problem was STILL THERE.

At one point I also bought a brand new Dynalink RTA1320 which makes for the 5th router I've tried, and is currently experiencing the same problems.

Called telecom 3 weeks ago, told them I was still have problems, they promised me a FREE splitter installation. This has still not happened (due to the strikes I suppose)

Since then my connection seems to have become stable at 2200 kbps. However I am not getting the 3200 kbps I used to get which tells me something is still wrong!

Also, where I used to be able to get sync in my router for ADSL2+ line mode, I can now only sync with ADSL modes (G.DMT etc)

I'm going to be connected to an ADSL2+ cabinet named "GLE/AH" about this time next year, according to

One of my concerns of course is that this will make no difference because something is already broken in my connection.

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aka Fast Raccoon !
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  #255576 14-Sep-2009 13:20
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Welcome to my world 18 months+ ago.... after multiple techs, routers, phone calls etc, found all it was was faulty wiring at the exchange.
They repaired that and after that my connection great.

Heres the thread I had going.... blog links wont work now as Ive moved host etc.

       Gavin / xpd / FastRaccoon / Geek of Coastguard New Zealand

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89 posts

Master Geek

  #259426 29-Sep-2009 16:42
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Eventually the splitter has been installed today, however there has been no change in the speed.

I called the helpdesk and asked them to do a port reset and check the profile etc, so far nothing doing (though the technician there suggested I wait until tomorrow and see if anything changes)

However I can get sync at ADSL2+ modes again (not that it makes any difference)

I told him how I suspected that it was the wiring change outside the house which caused the speed drop (I'm almost certain it was, it happened straight after that)

However he said it wasn't (for obvious reasons I don't believe that) and that 2.2Mbit was good enough and apparently it's very good for my distance from the exchange.

That does NOT explain how the first technician who came to my house got a 3.7Mbit sync rate at the road outside my house.

And considering my connection was stable at 3.2Mbit for the past year or so, I still conclude that something is still faulty/not configured right.

I guess for now I'll just wait a couple of days and see if it magically gets better....

I expect though that eventually (1 year or so) with the new ADSL2+ cabinets in my area the problem will probably go away completely...


89 posts

Master Geek

  #260579 2-Oct-2009 14:30
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I have uncovered some old screenshots of my router status pages.

Since the drop in speed I have noticed that the downstream line attenuation figure has increased from 48dB to 58dB

I wonder if this has anything to do with it?


89 posts

Master Geek

  #266587 24-Oct-2009 17:30
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Well after waiting around a while I decided to give it another try, as luck would have it I got someone at the helpdesk who actually listened to me, and sent out a technician

He did some speed tests at various points and concluded that my line speed was indeed lower than it should be.

Hopefully this problem will be solved in the next few days...

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