VDSL installed!

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199 posts

Master Geek

#997540 2-Mar-2014 13:42

OK just a bit of real world experience here to share.

House with a new cable to the demarcation 14 years ago when it was built.

I joined the Bigpipe Trial in mid-Jan on the VDSL option. So I just grabbed a Draytek DV130.

Initially, syncing on the modem at 18Mbps/9Mbps

After a week or so, I installed a master filter on the jackpoint I was using (turned out both jackpoints in the house were wired to the demarcation directly - no daisy-chain like you'd have with the old 3-wire system). That gave no appreciable difference to sync speed.

Then a couple of weeks later I got dirty under the house and fitted the filter to the demarcation. I also moved the cable away from the mains supply to the meterbox and the sub-main return to the garage. Instant 25% (5Mbps) download speed increase. What gave the most benefit from that I could not say categorically.

Then yesterday I replaced the existing wires to the BT jackpoint with CAT5E. Another 2Mbps download.

I'm not sure how far away our local cabinet is. I suspect it's about 200m away as the crow flies, and according to the Chorus map we're in a >20Mbps ADSL2+ area. But of course this is VDSL. I'm sure they used to show cabinet locations as a layer on their map but I can't find them now.

While I'm hardly ecstatic at the 28Mbps (31 300kbps sync) I'm getting now, I'm satisfied.

If I can just get my Draytek to bridge with my Netcomm NB16WV VOIP router (should be easier after the recommended Snappernet firmware update I did...) and get the 2Talk VOIP going (I requested and received a public IP too, so I'm not behind Bigpipe's CG-NAT) I'll be happier but I'm pretty new to this fixed line broadband thing so it's a bit of a steep learning curve.

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RunningMan

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Uber Geek

#997553 2-Mar-2014 14:05

@TonyR1973 The splitter needs to go before any joins, tap, jackpoints etc. The reason is that unused wiring etc will cause reflections (much like waves hitting a solid sea wall) and the reflections will cancel out the signal at some frequencies, leading to a lower sync rate.

That's why it is recommended that it be placed at the demarc, in order to isolate all internal wiring from the house.

TonyR1973

199 posts

Master Geek

#997561 2-Mar-2014 14:13

Yeah but it's all dirty under there! Hahaha Nah, I was just a bit busy to do it properly at the time.

It was more of an experiment than anything even installing the master filter at the jackpoint. I realised as soon as I broke the scab on the jackpoint that the other extension must have been separately wired back to the demarcation. But moving that other jackpoint to the "PHONE" twisted-pair on the master filter probably did more than installing the filter alone for the reasons you've stated. I also put the original cable pair on the "PHONE" side of the master filter too.

Geektastic

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#997947 3-Mar-2014 09:08

A small improvement this morning - 27.42 down and 3.12 up.

nakedmolerat

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#997978 3-Mar-2014 10:26

Geektastic: Whoever was sent by VF. They did not install a filter because when I told them the line was only broadband with no telephony they said no filter was needed.

They must have been trained by BigPipe

Geektastic

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#998132 3-Mar-2014 13:11

Who are Big Pipe?!

hio77

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#998134 3-Mar-2014 13:13

Geektastic: Who are Big Pipe?!

https://www.bigpipe.co.nz/

http://www.geekzone.co.nz/forums.asp?forumid=158

their sites needs a few more starbursts on it though :3

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Geektastic

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#998135 3-Mar-2014 13:14

OK.

And why are they apparently bad?

hio77

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#998145 3-Mar-2014 13:26

Geektastic: OK.

And why are they apparently bad?

they dont have master filters installed as part of the vdsl installation, which can be pretty destructive to the customer themselves experience, and others in the same cable bundle as them. to many respects, its certainly by no imagination the smartest move.

ild hate to see an influx of people looking for a cheap vdsl connection rolling to them, then being upset when they are told they should go ask coffeebarron for a splitter, because their line obviously is in dire need of it (which honestly, every line without one is, to many respects.)

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Geektastic

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#998204 3-Mar-2014 14:52

Ah. I presume we aren't talking of the People 's Front of Judea when we mention 'splitters'? http://youtu.be/gb_qHP7VaZE

Cbfd

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Ultimate Geek

#998206 3-Mar-2014 14:59

If you have naked vdsl and one jack connected then you dont need a hardwired splitter

sbiddle

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#998210 3-Mar-2014 15:05

Cbfd: If you have naked vdsl and one jack connected then you dont need a hardwired splitter

No you don't.. But that type of setup would be common in about 0.01% of NZ homes. By far the most common setup is 3+ jacks wired in series, and in more cases than not a mix of M/S and 2wire jacks as people upgrade things over the years.

hio77

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#998219 3-Mar-2014 15:12

sbiddle:
Cbfd: If you have naked vdsl and one jack connected then you dont need a hardwired splitter

No you don't.. But that type of setup would be common in about 0.01% of NZ homes. By far the most common setup is 3+ jacks wired in series, and in more cases than not a mix of M/S and 2wire jacks as people upgrade things over the years.

and this is exactly why i have the strong position on it.

if your house has a single jackpoint, sure, you dont need one. but what are the chances of getting a house like that....

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Jaxson

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#998223 3-Mar-2014 15:17

sbiddle:
Cbfd: If you have naked vdsl and one jack connected then you dont need a hardwired splitter

No you don't.. But that type of setup would be common in about 0.01% of NZ homes. By far the most common setup is 3+ jacks wired in series, and in more cases than not a mix of M/S and 2wire jacks as people upgrade things over the years.

Also you'd want to ensure that, whilst yes it's naked and you're only using one outlet, that
a) the one jack in use is directly connected to the main incoming line, (it's not the 2nd or 3rd outlet down a daisy chain etc), and
b) that the downstream / other outlets are disconnected from this one jack in use.

Now in practise this might be easy, but often the work done to confirm the above is the bulk of the install, and you're talking about a $25 part anyway...

coffeebaron

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#998224 3-Mar-2014 15:17

hio77:
Geektastic: OK.

And why are they apparently bad?

they dont have master filters installed as part of the vdsl installation, which can be pretty destructive to the customer themselves experience, and others in the same cable bundle as them. to many respects, its certainly by no imagination the smartest move.

ild hate to see an influx of people looking for a cheap vdsl connection rolling to them, then being upset when they are told they should go ask coffeebarron for a splitter, because their line obviously is in dire need of it (which honestly, every line without one is, to many respects.)

Remember Snap and other ISP's initially made Master Filters optional too.

Either way there is a cost whether:
- Chorus install and charge over 30 months
- Chorus install and charge one lump some
- A third party installs and charges their going price

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Broadband troubleshooting and master filter installs.
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