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  # 1029718 23-Apr-2014 12:14
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hio77:
Item:
hio77:

its very likely getting your a better quallity line after that cable is ran yes.

as your modem has correctly said, at the expense of stability. it is possible, you tweaked too much and DLM pulled back.


Thanks hio77.

I have set it all back to "off" for the purposes of the Engineer testing and sorting everything out and will let it settle for a while - hopefully if the line is now operating to it's fullest potential after the re-cable, I won't need to play with it any more anyway!



assuming DLM is reset after he does his work, you should let your line be natural until it settles. 


Well the work is done and the download speeds are back in the late 20's with all settings at "natural" which is the worst they have ever been!

Still, I have not been home yet and all information being relayed to me by my wife. Will probably reset the device and re-run the modem setup when I get back and see how it goes.




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  # 1030585 24-Apr-2014 14:05
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Uhhh 

 
 
 
 


'That VDSL Cat'
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  # 1030594 24-Apr-2014 14:13
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Time2303: Uhhh 


wow. thats not pretty.


howd you manage that? 




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  # 1030600 24-Apr-2014 14:23
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We got VDSL installed at this house on Tuesday, the speed is still great heh 

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  # 1030622 24-Apr-2014 14:40
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Time2303: We got VDSL installed at this house on Tuesday, the speed is still great heh 


Your "Signal-to-noise ratio [margin]" value is too low. It should be around 12db by default. You could try rebooting the Fritz or you could just leave it as it'll probably sort it out after then reconnection.

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  # 1030623 24-Apr-2014 14:40
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Time2303: We got VDSL installed at this house on Tuesday, the speed is still great heh 


are you snr tweaking?




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  # 1030638 24-Apr-2014 14:55
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Nope, that was just the defaults set from Snap sending the router (all set to maximum performance under Line Settings). It dropped down to 9000 errors in 15 minutes without me doing anything.

 
 
 
 


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  # 1030641 24-Apr-2014 14:57
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Time2303: Nope, that was just the defaults set from Snap sending the router (all set to maximum performance under Line Settings). It dropped down to 9000 errors in 15 minutes without me doing anything.


looks like something hinky is going on. give it a reboot see if it doesnt stabilize.  


how was your vdsl installation carried out?




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  # 1030922 25-Apr-2014 08:51
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hio77:
Item:
hio77:

its very likely getting your a better quallity line after that cable is ran yes.

as your modem has correctly said, at the expense of stability. it is possible, you tweaked too much and DLM pulled back.


Thanks hio77.

I have set it all back to "off" for the purposes of the Engineer testing and sorting everything out and will let it settle for a while - hopefully if the line is now operating to it's fullest potential after the re-cable, I won't need to play with it any more anyway!



assuming DLM is reset after he does his work, you should let your line be natural until it settles. 


So - all work done, connection seems to be stable again.

Stats:




Currently I have Bitswap on, SRA turned off and no SNR tweaking.





Slingshot confirmed that the DLM/port has been reset so I presume I just sit tight withouth messing with it for a while and hope I see speeds start to climb again?

Any comments/thoughts appreciated.

Cheers







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  # 1031125 25-Apr-2014 14:22
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at 2dB attenuation, i would just give your line a good month to settle. your in 17a territory there. 


pretty sure that modem can do it, so got a spectrum?




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  # 1031141 25-Apr-2014 14:56
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Item:
So - all work done, connection seems to be stable again.

Stats:
...

Does it tell you what the latency and INP are set to? Also do you know what the timeframe of the CRC numbers is (hourly or for the duration of the connection)?

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  # 1031197 25-Apr-2014 16:20
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just saw this posted elsewhere...



personally i find SNR tweaking made FAR too easy here...




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  # 1031206 25-Apr-2014 16:38
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hio77: just saw this posted elsewhere...



personally i find SNR tweaking made FAR too easy here...


Does that stability adjustment setting reduce the SNRM target or increase it (or can you choose either)?

I'd be interested to know if SRA works.

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  # 1031209 25-Apr-2014 16:41
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stevehodge:
hio77: just saw this posted elsewhere...



personally i find SNR tweaking made FAR too easy here...


Does that stability adjustment setting reduce the SNRM target or increase it (or can you choose either)?

I'd be interested to know if SRA works.


both ways.

SRA isnt enabled on chorus gear regardless.  




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  # 1031212 25-Apr-2014 16:47
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hio77: at 2dB attenuation, i would just give your line a good month to settle. your in 17a territory there. 


pretty sure that modem can do it, so got a spectrum?


Spectrum as follows:



stevehodge:
Does it tell you what the latency and INP are set to? Also do you know what the timeframe of the CRC numbers is (hourly or for the duration of the connection)?


Some quick research suggests that it won't will give up that info on INP and latency... not sure on the CRC, will have to check.

stevehodge:

Does that stability adjustment setting reduce the SNRM target or increase it (or can you choose either)?

I'd be interested to know if SRA works.


Allows you to select a range from 5db to 30db with some Engrish hover-text about setting it nearer "max" to improve speed at the expense of stability and the ability to defend against line noise...

SRA doesn't seem to make any tangible difference on or off - not sure how I would test.

Cheers chaps.






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