ADSL2+

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DjShadow

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#11697 6-Feb-2007 22:08

It said on Stuff.co.nz the other day that telecom will finally start rolling out ADSL2+ dslams in march, any idea as to which ones will get upgraded first? or best to just keep an eye on how fast our routers are connected?

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#59933 7-Feb-2007 06:25

Actually from what I read (nz herald and other places) they had actually completed the DSLAM2 rollout last year, but with the whole government LLU thing, they decided to hold off, they also decided that perhaps bolting it onto the existing backbone would not be wise, and they have build a new backbone for ADSL2.

So - the gear has been installed in the exchanges gathering dust for 3-6 months.

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#59934 7-Feb-2007 06:34

If there is not enough backhaul to feed even a 1/4 of my reported 6Mb/s connection, then why bother with ADSL2+.

I known its a good move, but lets hope they have got the message wrt contention ratios aswell.

Cyril

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#59936 7-Feb-2007 07:01

There is a briefing session this morning at 08.30 to Wholesale customers on the Plan for ADSL2 rollout from Telecom, may be able to give more details later

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chiefie

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#59950 7-Feb-2007 08:59

I may be wrong on this.... but isn't ADSL2+ requires NGN network and which requires fibre optic to home?

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#59953 7-Feb-2007 09:11

Chiefie ADSL2+ like any DSL service is a last leg copper service that can operate over slightly higher distances than current ADSL and with a slightly better bitrate/distance profile than current ADSL, and offering 12Mb/s for CPE's within roughly 1.5km or the DSLAM.

Telecoms NGN was not fibre to the home, but Fibre to the curb, ie curbside cabinets would be fed by fibre and ADSL2+ connecting to the currrent copper to your home.

The Alcatel ISAM 7330 which I presume Telecom will be using, uses GigE over fibre with upto 10 GigE fibers feeding a group of curbside cabinets. Each cabinet shelf supports upto 192 ADSL2+ lines.

Cyril

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#59957 7-Feb-2007 09:29

Ah! I see, many thanks Cyril. I guess having been using TCL's cable does dilute my understanding with how ADSL used to work... oh well, good to see that there's some life still in copper wire.

Fibre to curb would be great and definitely hugely increase the carry-capacity from curb to network HQ.

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#59977 7-Feb-2007 11:47

exportgoldman:
Actually from what I read (nz herald and other places) they had actually completed the DSLAM2 rollout last year, but with the whole government LLU thing, they decided to hold off, they also decided that perhaps bolting it onto the existing backbone would not be wise, and they have build a new backbone for ADSL2.

So - the gear has been installed in the exchanges gathering dust for 3-6 months.

This article on Stuff infers they haven't rolled it out everywhere yet:

Spokeswoman Melanie Marshall says the first ADSL2+ phone exchange will go live in March. Telecom will meet with wholesale customers this week to consult them on where and when it should roll out the technology after that.

I doubt they'll roll it out until either demand for additional DSLAMs dictates it or older equipment needs replacing. I'd be surprised if they actively replace equipment before they need to.

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#59982 7-Feb-2007 12:25

TinyTim:
exportgoldman:

Actually from what I read (nz herald and other places) they had actually completed the DSLAM2 rollout last year, but with the whole government LLU thing, they decided to hold off, they also decided that perhaps bolting it onto the existing backbone would not be wise, and they have build a new backbone for ADSL2.

So - the gear has been installed in the exchanges gathering dust for 3-6 months.

This article on Stuff infers they haven't rolled it out everywhere yet:

Spokeswoman Melanie Marshall says the first ADSL2+ phone exchange will go live in March. Telecom will meet with wholesale customers this week to consult them on where and when it should roll out the technology after that.

I doubt they'll roll it out until either demand for additional DSLAMs dictates it or older equipment needs replacing. I'd be surprised if they actively replace equipment before they need to.

You would be wrong then, Briefing today indicates that from March onwards they will be slowing replacing DSLAM's in exchanges in the 5 Main areas, these exchanges still to be decided as they are looking fro feedback on this, Current existing DSLAM's will be replaced

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xlinknz

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#60000 7-Feb-2007 13:45

Maverick

Being in Wgtn and a customer of you I look forward to hearing from xnet when I can utilise my adsl2+ modem

When should I start checking my letter/email box ;-)

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#60003 7-Feb-2007 14:07

Just to clarify a bit, they will be rolling out these DSLAM's but they will not be enabled for ADSL2+ untill testing is fully carried out, approx 120 Exchanges by the end of the year , no dates for turning it on and will be probably be done on a Exchange by Exchange basis

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#60008 7-Feb-2007 14:39

Sorry if this has already been answered elsewhere, but is ADSL2+ going to be just 'given' to existing Broadband subscribers on their existing plans when exchanges are upgraded, or is it to be a service that you opt into with extra costs etc?

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#60010 7-Feb-2007 14:43

it will be an upgrade so don't believe there will be any charges to you, you will require a modem that is ADSL2 capable of course the new DSLAM's will be capable of supporting both though

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#60011 7-Feb-2007 14:53

If you are over 1.5-2km from the DSLAM then there is not much gain in download speed except for the upstream speed increase to 1Mb/s which is very welcome. As I said previously, I hope there upgrades see an increase in backhaul speed or its all for naught.

Cyril

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#60012 7-Feb-2007 14:54

Upgrades to backhaul with different options is also part of this

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raytaylor

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#60399 11-Feb-2007 11:09

If you go for the free modem and free connection with most ISP's they give you a Dynalink RTA1320 modem. This is a cheap and nasty modem with a bad router (useless for torrents) but it does support ADSL2 and ADSL2+. So when the rollout does take place, and you have one of these modems, you should only need to change your plan with the ISP and wont need to get new hardware.

Just a tip if you have one of these and are happy with it.

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