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393 posts

Ultimate Geek


  # 846730 28-Jun-2013 13:26
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hio77:
stevehodge: I remember someone earlier in the thread saying that it is possible to be too close to the cabinet (I think 100m is supposed to be the minimum). The Chorus tech actually ran a cable around his house just to lengthen the drop.


wouldn't too close simply be a case of needing to lower the power output though? rather than something rather abrupt as adding length to the cable.. 


I'm not sure exactly what the issue is. I would have thought the power level could simply be reduce too. But it's been mentioned a couple of times:

"Need to be about 100m away otherwise it can be too noisy"

"i live so close to the cabinet that i had to run a cable around the house to get my VDSL to stand up as the cable from the cabinet to the ETP was only about 15meters"



41 posts

Geek
Inactive user


  # 846779 28-Jun-2013 15:12
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I'm not sure about that guy, he made a few claims but had no real evidence, he didn't seem very genuine.
But I guess the being too close thing makes sense, I just don't believe him about the profile changing having to be manual which he seemed so sure about because of various reasons he wasn't prepared to discuss.

 
 
 
 


393 posts

Ultimate Geek


  # 846797 28-Jun-2013 15:35
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Jexlar: I'm not sure about that guy, he made a few claims but had no real evidence, he didn't seem very genuine.
But I guess the being too close thing makes sense, I just don't believe him about the profile changing having to be manual which he seemed so sure about because of various reasons he wasn't prepared to discuss.


He wasn't the only one saying you needed to get put on 17a manually back then. I think it was also mentioned by Napster at one point (he was also on 17a). It definitely used to be the case that you had to request it via your ISP and then Chorus/Telecom would make the change manually. See this thread complaining that Chorus/Telecom stopped doing it. It's only since Feb this year that changes to 17a have been happening automatically.

41 posts

Geek
Inactive user


  # 846800 28-Jun-2013 15:39
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That may very well be the case, sure seems like it.
Thanks for that steve.

408 posts

Ultimate Geek


  # 846811 28-Jun-2013 16:18
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I found moving from 8b to 17a on our 150m line gave less errors and more stability over all.





24 posts

Geek


  # 846906 28-Jun-2013 20:58
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That line is clean but with low snr across the spectrum.

It's possible to sync vdsl by plugging a vdsl modem straight into the cabinet so I don't believe the line to short theory.

I got 50.7mb first sync at 80m, but if I upgrade to the latest firmware I can only manage a 40mb sync. I don't think the newer firmware is best for some lines.

371 posts

Ultimate Geek


  # 846950 28-Jun-2013 22:12
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Xternal: That line is clean but with low snr across the spectrum.

It's possible to sync vdsl by plugging a vdsl modem straight into the cabinet so I don't believe the line to short theory.

I got 50.7mb first sync at 80m, but if I upgrade to the latest firmware I can only manage a 40mb sync. I don't think the newer firmware is best for some lines.

Haven't updated the firmware, comes with the stock firmware and don't plan to update it.
Firmware version: 99.05.51

 
 
 
 




1457 posts

Uber Geek

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  # 846966 28-Jun-2013 22:46
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stevehodge:
SamF: I think the sync speeds on new lines are started conservatively and then cranked up later

That's primary via DLM though and he's already on DLM-1. It is weird.


From what I've read DLM doesn't directly control sync speeds, it's some other mechanism.



1457 posts

Uber Geek

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  # 846967 28-Jun-2013 22:49
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mikenzb:Haven't updated the firmware, comes with the stock firmware and don't plan to update it.
Firmware version: 99.05.51


Do you have a 7390 or a 7340?

Has anyone who has a 7340 tried the latest firmware yet?

393 posts

Ultimate Geek


  # 846970 28-Jun-2013 23:03
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SamF:
stevehodge:
SamF: I think the sync speeds on new lines are started conservatively and then cranked up later

That's primary via DLM though and he's already on DLM-1. It is weird.


From what I've read DLM doesn't directly control sync speeds, it's some other mechanism.


Going to a better DLM level usually results in an increased sync rate so it's making a difference indirectly. I haven't notice consistent improvements in anyone's sync over time on the same DLM level. It's a bit hard to tell though because most resyncs early on come with a DLM change anyway.



1457 posts

Uber Geek

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  # 846972 28-Jun-2013 23:11
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Yeah, I have noticed this on my line, only a few MBit, but it happens.  But you're right, DLM changes do affect sync rate indirectly.

393 posts

Ultimate Geek


  # 846975 28-Jun-2013 23:30
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SamF: Yeah, I have noticed this on my line, only a few MBit, but it happens.  But you're right, DLM changes do affect sync rate indirectly.

I've noticed a lot of variation on a particular DLM level but nothing consistent either up or down.

371 posts

Ultimate Geek


  # 846999 29-Jun-2013 01:15
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SamF:
mikenzb:Haven't updated the firmware, comes with the stock firmware and don't plan to update it.
Firmware version: 99.05.51


Do you have a 7390 or a 7340?

Has anyone who has a 7340 tried the latest firmware yet?

7340, like i said before not gonna ever update the firmware unless its a must anyways,

255 posts

Ultimate Geek

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  # 847032 29-Jun-2013 09:12
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Got a 7340 and it came with latest firmware




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1457 posts

Uber Geek

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  # 847037 29-Jun-2013 09:24
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Not that your line is really up to it at the moment, but have you tried any SMRM tweaking yet?

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