VDSL Performance & Tuning

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bgatkinson

6 posts

Wannabe Geek

#2106324 11-Oct-2018 15:32

I'm not sure what is good or bad - hopefully this is the graph you are talking about?

*Edited with right image..

Is it just the line attenuation that tell you the distance?

maffey

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#2106325 11-Oct-2018 15:32

Hi there

At a guess vectoring is not turned on for you.

I am getting much faster speeds with the same setup as you, Fritz 7490 connecting to 2degrees.

Is your fritz box software up to date? It needs to be up to date to do vectoring.

Otherwise, Chours may need to install vectoring in your cabinet, or maybe vectoring turns off if you are too far from the cabinet?

Cheers

Chris...

bgatkinson

6 posts

Wannabe Geek

#2106327 11-Oct-2018 15:35

Hmm you have G.INP and vectoring. Your line attenuation is 3 to my 20 though, which I think means you are very close to the exchange or cabinet..

hio77

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#2106331 11-Oct-2018 15:43

Chorus will not disable vectoring. At best, they will put you into friendly mode.

in @bgatkinson's case, he is on an ikanos linecard. Those dont do vectoring.

Highly likely your in a chorus fibre due area, comcom didn't allow vectoring cards being installed there.

The page i'm looking for is the 'spectrum' tab.

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bgatkinson

6 posts

Wannabe Geek

#2106337 11-Oct-2018 15:52

Here you go. Sorry a bit clumsy on my phone..

*Edited with correct picture, again. I'm bad at phone*

I can confirm I am definitely not in a future fibre area, I've even had an NGA On Application done, and I declined to go ahead with the $15k price, even though I have been told that's actually pretty reasonable.

Would you expect my cabinet or exchange or wherever the card is to have been upgraded if I'm never getting Fibre?

wratterus

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#2106342 11-Oct-2018 15:54

That's a fantastic increase, especially on the upstream. Shows how important sorting the building wiring is.

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hio77

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#2106346 11-Oct-2018 15:58

Chorus are still upgrading some cards, it's not a massive workstream at this stage as the bulk are done as i understand it.

If cards do change, you will see maximums jump to 100/50 or 124/30 depending on if it goes straight to vectoring or standard first.

Your line looks real clean, distance dropoff curve is very clear.

Hate to say it, but i don't think there is much more ghost to gain there.

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bgatkinson

6 posts

Wannabe Geek

#2106377 11-Oct-2018 16:02

Thank you for your help. Do you think a draytek or other modem might squeeze a little more out?

Is there anything I can do to encourage chorus along..? Or even just find out what the scheduled date is if it's scheduled.

hio77

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#2106378 11-Oct-2018 16:05

bgatkinson: Thank you for your help. Do you think a draytek or other modem might squeeze a little more out?

Is there anything I can do to encourage chorus along..? Or even just find out what the scheduled date is if it's scheduled.

Unfortunately not.

Drayeks rarely sync the highest, what they do best in is "just working" they are rock solid often used for bridging.

Broadcom based chipsets are generally the best options.

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

bgatkinson

6 posts

Wannabe Geek

#2106384 11-Oct-2018 16:19

Okay cool I will look into a broadcom based modem and try it out. Any specific recommendations?

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