[AusNOG] VDSL2, was Re: 4G advances

[Guy Ellis]

Most businesses already have two copper pairs, i.e. phone + fax.

You are right about residential customers though.

  - Guy.



On 19/10/2012 11:24 AM, Glen Greig wrote:
> On the question about RIM optics, you have to keep in mind that a RIM 
> is POTS only, to get DSL, an AM35 was shoehorned into the cabinet and 
> used the RIM's multiplexer for backhaul. To upgrade the backhaul, it's 
> not as simple as changing optics you need a completely new backhaul. 
> CMUXs have the same issue, they have DSL capabilities, but the 
> backhaul is just tacked on to the side of the POTS capacity. It may 
> all seem like poor planning in 2012, but back when these decisions 
> were made, we were talking 20% takeup and 256Kbps plans.
>
> Bonding ADSL2+ may be a good small solution, but as a major rollout, 
> you'll run out of copper pairs fairly quickly as every DSL line starts 
> to require two or more pairs.
>
> Glen
>
> On Fri, Oct 19, 2012 at 9:32 AM, ausnog (321) <ausnog at 321.com.au 
> <mailto:ausnog at 321.com.au>> wrote:
>
>
>     We use VDSL Services from a carrier called FirstPath in the Sydney
>     CBD areas, they have fibre fed DSLAM'S in buildings.
>
>
>
>     -----Original Message-----
>     From: ausnog-bounces at lists.ausnog.net
>     <mailto:ausnog-bounces at lists.ausnog.net>
>     [mailto:ausnog-bounces at lists.ausnog.net
>     <mailto:ausnog-bounces at lists.ausnog.net>] On Behalf Of Mark Newton
>     Sent: Friday, 19 October 2012 10:17 AM
>     To: Guy Ellis
>     Cc: ausnog at lists.ausnog.net <mailto:ausnog at lists.ausnog.net>
>     Subject: Re: [AusNOG] VDSL2, was Re: 4G advances
>
>     On Fri, Oct 19, 2012 at 10:12:43AM +1100, Guy Ellis wrote:
>
>      > I don't think we see a lot of VDSL2 in Australia because of the
>     $  > investment required.
>      > Also for line lengths > 2km ADSL2+ is almost as good.
>
>     And because ACIF approval came too late to be useful.
>
>     And because the NBN has been hanging over the industry like a
>     sword of Damocles for the last five years, so nobody has been
>     planning any major new fixed network rollouts, thereby denying
>     Australian consumers the benefits of higher-speed technologies in
>     the interim.
>
>       - mark
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-- 
Guy Ellis
guy at traverse.com.au
www.traverse.com.au
T: +61 3 9386 4430 M: +61 419 398 234

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