VDSL possible on my line

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msreef

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#208558 16-Feb-2017 16:39

Hi All,

Just wondering if VDSL is likely work on my line. I've heard it's mostly about the line attenuation, mine is 21 which is apparently pretty high but would prefer thoughts from someone more knowledgeable on the subject.

This is my line speed from my FritzBox. 13.9 Mbit/s down, 1.1 Mbit/s up.

DjShadow

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#1721448 16-Feb-2017 17:12

Go to www.chorus.co.nz and check your address, it will soon tell you if VDSL is possible

SaltyNZ

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#1721469 16-Feb-2017 17:41

That's roughly what I used to get. I switched and now get around 21Mb down but nothing better up. Worth asking!

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coffeebaron

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#1721474 16-Feb-2017 17:55

Marginal. But if you currently have no master filter, then that would improve the possibility.

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erik

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#1721518 16-Feb-2017 19:55

You should be fine, your download would increase but your upload not so much. Installing a master filter is definitely a must if you ask me.

Here are my stats after placing the master filter - before it was 18 Mb/s down and as low as 200 kb/s upload.

msreef

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#1721794 17-Feb-2017 12:46

Thanks guys. Re installing a master filter, is it still worth it if the phone line directly goes to one DSL jack in my house?

I was having issues with the internet when I moved into this house a few years ago, and I had a guy come around and remove the wiring for all of the jacks in the house, except one, which is what my broadband is connect to (naked DSL - no phone). It completely fixed the issues I was having at the time.

coffeebaron

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#1721805 17-Feb-2017 12:56

If you have naked DSL and a single dedicated cable run from ETP to dedicate xDSL jack point and absolutely no other cabling or joins, then a master filter is not required. In that case, very very marginal for VDSL. You may get a bit more downstream, but upstream could suffer, even drop further.

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SaltyNZ

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#1721846 17-Feb-2017 14:16

Yes that's what I have. I tried a filter (just the normal DSL plug filter) to see if it might be worth a master filter. It made the connection marginally worse, so I didn't bother with a master filter.

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coffeebaron

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#1721856 17-Feb-2017 14:31

A plug in filter usually will make VDSL worse!

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Spyware

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#1721857 17-Feb-2017 14:36

SaltyNZ: Yes that's what I have. I tried a filter (just the normal DSL plug filter) to see if it might be worth a master filter. It made the connection marginally worse, so I didn't bother with a master filter.

Your logic is totally senseless.

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SaltyNZ

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#1721893 17-Feb-2017 15:52

Spyware:

SaltyNZ: Yes that's what I have. I tried a filter (just the normal DSL plug filter) to see if it might be worth a master filter. It made the connection marginally worse, so I didn't bother with a master filter.

Your logic is totally senseless.

My 'logic' was mostly just curiosity to see whether there was any difference at all. Answer: no, not really, within the normal amount of variability expected on a marginal VDSL line. Given that the line is relatively new, goes straight to a single jack point, and there was no phone connected to it, I didn't see any need for one, but since I happened to be rearranging the cabling in the area anyway decided to try it to see what happened. But thankyou for your assessment of my logic, anyway.

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OddSpyHat

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#1722517 19-Feb-2017 01:07

Generally, Max attenuation is 15db

Above that, if you do manage to get connected, you will experience instability in most case.

I wouldn't recommend it on 21db

Ge0rge

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#1722518 19-Feb-2017 01:10

Even below that it can still be marginal - I'm on 6db, but only managing 16m down, 0.4m up.

sbiddle

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#1722522 19-Feb-2017 02:49

Ge0rge: Even below that it can still be marginal - I'm on 6db, but only managing 16m down, 0.4m up.

How is your internal wiring?

Attenuation isn't the only factor, but seeing an attenuation figure that low and speeds that low would indicate a noisy line or some pretty significant reflections caused by poor internal wiring.

Ge0rge

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#1722523 19-Feb-2017 06:43

Junction box at ETP, cat5e from there to a single jack point inside the house, modem connected to that. No other wiring, no other jackpoints in the house. Connections are crimped at the ETP, push-down into the jackpoint. Naked dsl, no other devices but the modem on the line. Has me a bit baffled too.