VDSL speeds have shot up!? Chorus changing to 998 bandplan.

Forums › New Zealand Broadband › VDSL speeds have shot up!? Chorus changing to 998 bandplan.

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371 posts

Ultimate Geek

#1344819 15-Jul-2015 15:40

I would love to see the new Spectrum graph of the new 998 band, as a 17a user my first upload band is used by nothing and is just empty.

eXDee

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Uber Geek

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#1344876 15-Jul-2015 16:51

This is great. If people don't mind, those who are seeing increased speeds, can you post your neighbourhood to identify who/where is being trialled or upgraded?

DarkShadow

1647 posts

Uber Geek

#1344898 15-Jul-2015 17:00

It seems HCK (Howick) is one of them.

tnaseem

82 posts

Master Geek

#1344921 15-Jul-2015 17:34

I'm in Bucklands Beach.

hio77

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Lizard Networks

#1344929 15-Jul-2015 17:48

mikenzb: I would love to see the new Spectrum graph of the new 998 band, as a 17a user my first upload band is used by nothing and is just empty.

Yeah, 17a will really fly with this.

Reminds me of when i was on 17a...

This quickly settled down however.

Which does make sense, if the space isnt needed, may aswell have less crosstalk at the lower end!

tnaseem: Thanks for the replies, peeps. Starting to make sense... Didn't realise they were moving to the 998 VDSL band.

I've just been reading about this upgrade to the 998 band just now to get some more info, and I came across this little snippet:

"The 998 VDSL band plan is more asymmetric, meaning higher download speeds (at the expense of lower upload speeds) compared to speed achieved under the 997 band plans." - http://www.tcf.org.nz/content/576773bf-4406-4a4f-8796-f217148d3201.html

Now, I'm doubly confused :)

on 17a with all the extra upload band space, ild expect to see a reasonable jump in it. Marginal 8b lines will likely drop down.

openmedia: Has anyone seen the test results, particularly for the longer loop lengths. Is there a chance this change will increase the range for VDSL from the exchange/cabinet?

Purely theoretical, it would likely be better on the downstream, but upstream would tank a fair bit more. - not as much as if chorus hadnt decided to bring US0 in though!

Generally, people only care about their downstream, so thats all people will really worry about! - lets not talk about tcp acks eh!

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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.

Lorenceo

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Ultimate Geek

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#1344938 15-Jul-2015 18:02

joker97: yikes my UP is half of what is used to be ... can't wait for UFB

Could you post before/after stats?

Jarsky

142 posts

Master Geek

#1344939 15-Jul-2015 18:08

openmedia: Has anyone seen the test results, particularly for the longer loop lengths. Is there a chance this change will increase the range for VDSL from the exchange/cabinet?

You should do yes, thats part of the advantage. A few I know working for some of the contractors have been on the 997 Pilot, and have seen increases in longer distance lines. Should hopefully mean more availability.

I'm still on 997 , but I look forward to maxing my line with my current attainable being 59/50

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aschteev

80 posts

Master Geek

#1344944 15-Jul-2015 18:18

Here are my modem stats:

I guess that the 46660kbs is the upload rate that I can expect instead of the artificial 10337 kbps?

hio77

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Lizard Networks

#1344945 15-Jul-2015 18:21

aschteev: Here are my modem stats:

I guess that the 46660kbs is the upload rate that I can expect instead of the artificial 10337 kbps?

Dont take attainables as True values, they are an estimation.

your line is still 997, and thus sitting on the 10Mbit upload limit clearly.

Just wait it out, there is no clear answer of how long things are in "trial" for.

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Jase2985

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#1344950 15-Jul-2015 18:35

Im curious as to what if any the change to the SNR will be, will it still be 12dB or will it be lower?

as for the OP can you post you actual connection stats from your modem pretty please, it will speak wonders in this thread.

hio77

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Lizard Networks

#1344954 15-Jul-2015 18:42

Jase2985: Im curious as to what if any the change to the SNR will be, will it still be 12dB or will it be lower?

as for the OP can you post you actual connection stats from your modem pretty please, it will speak wonders in this thread.

Seeems stock standard 12dB with the rare 9dB profiles out there.. http://www.geekzone.co.nz/forums.asp?forumid=90&topicid=174984&page_no=2#1344927

Ive heard a report or two of some odd figures (although explainable by syncing when noise is low, so not definite - not the case for this line since its resynced a few times and kept 9dB however.)

#include <std_disclaimer>

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

cruxis

480 posts

Ultimate Geek

#1344962 15-Jul-2015 19:04

Does that mean my VDSL will be competive with Fiber? As Fiber wont be installed here untill 2018. But my VDSL seems to be locked at 70/10.

hio77

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Lizard Networks

#1344964 15-Jul-2015 19:07

on a 17a line, Yes it would compare well to fibre. You are still on 977.

#include <std_disclaimer>

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

Unida

27 posts

Geek

#1344979 15-Jul-2015 19:57

ok, what is the indicator that you are on a 997 or the other one?

will i need to reconnect my line? it looks like the values are the same since install etc

remuera auckland btw

Unida

27 posts

Geek

#1344980 15-Jul-2015 19:58

oh, default slingshot vdsl modem btw

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