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98 posts

Master Geek


Topic # 248056 8-Mar-2019 22:47
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I posted here a while back that I had an issue with the VDSL slowing down over time.

 

When first installed , i was getting 30/8 , it eventually degraded to a third of that over months

 

A couple of days after posting, powering off the modem etc, there was no change

 

then...that night a thunderstorm appeared ... there were some good lightening nearby... VDSL was dropped and reconnected and I was back to 30/8...... no reset or power loss to router

 

Now the chorus cabinet is about 1km away.

 

So I was wondering....

 

Did the lightening cause equipment failure an there was a failover in the cabinet to other equipment 

 

Could it of vaporized any "water" in the copper line and cause a better connection?

 

 

 

Reason I ask is I am now back to 12/16.... and have been for days......

 

and there has been no rain (until tonight)

 

 

 

Stats look like this for Spark HG630b Home Gateway

 

 

 

 

Line standard

 

VDSL2

 

 

 

Downstream line rate (kbit/s)

 

12777

 

 

 

Upstream line rate (kbit/s)

 

6168

 

 

 

Downstream SNR (dB) 

 

7.3

 

 

 

Upstream SNR (dB) 

 

6.4

 

 

 

Downstream line attenuation (dB)

 

23.8

 

 

 

Upstream line attenuation (dB)

 

8.7

 

 

 

Downstream output power (dBmV)

 

11.5

 

 

 

Upstream output power (dBmV)

 

6.3

 

 

 

Downstream CRC

 

0

 

 

 

Upstream CRC

 

0

 

 

 

Downstream FEC

 

7

 

 

 

Upstream FEC

 

22646

 

 

 

 

Router was powered off and on 24 hours ago

 

 


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'That VDSL Cat'
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  Reply # 2194076 8-Mar-2019 23:37
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Flick me a DM with your details, i'll take a peep. 

 

 

 

Looks like something has gotten damaged at a skim though.

 

 





#include <std_disclaimer>

 

Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.


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  Reply # 2194078 8-Mar-2019 23:42
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Is your router connected to a UPS? The thunderstorm might have knocked out the power to everyone else on that Cabinet. And you then get a much better sync rate, due to no interference from the other lines in the same cable.

Maybe the thunderstorm caused everyone's lines to resync at the same time. Which might have allowed some lines to resync with vectoring enabled, that were not previously vectored.





 
 
 
 




98 posts

Master Geek


  Reply # 2194091 9-Mar-2019 00:07
quote this post

Aredwood: Is your router connected to a UPS? The thunderstorm might have knocked out the power to everyone else on that Cabinet. And you then get a much better sync rate, due to no interference from the other lines in the same cable.

Maybe the thunderstorm caused everyone's lines to resync at the same time. Which might have allowed some lines to resync with vectoring enabled, that were not previously vectored.

 

 

 

No ups.

 

Just to be clear:

 

Thunderstorm scenario was months ago

 

In present day, have not had rain for months. 

 

realized  download link speed was so slow, which made me think about last time.


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