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2 posts

Wannabe Geek

Topic # 14297 26-Jun-2007 18:22
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Could someone please help me?

According to page 17 of the customer brief here the Dlink DSL-502T modem supports only ADSL1 connections on an Interleaved profile. I have a friend who got a Dlink from XTRA, how can I tell if it is one of those?, and What profile do telecom support?

According to the information here the next area to get ADSL2+ is St Albans, which is where my friend lives.

Could this be the reason that ADSL2+ rollout is slow? because XTRA modems do not support it?

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BDFL - Memuneh
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Reply # 76001 26-Jun-2007 18:38
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Not a help on the technical question, but I don't think the modem support for ADSL2+ is the reason of how fast or slow the deployment is.

There's no correlation at all - if someone wants ADSL2+ then just need to get a new modem when the service is avaialble. Or do you think people would consider first purchasing new devices to only then Telecom consider start deploying? Nope, I don't think it's related with something as simple as the modem in use.

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Wannabe Geek

  Reply # 76124 27-Jun-2007 16:51
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I thought it might be related. I mean if I had 50,000 odd customers who had hardware that was unable to connect at the new network speed, and my competitors customers had no problems, then I may be reluctant to roll out the network upgrade to help my competitor.
Why buy a new modem, when you can join a competitor ISP and get a free ADSL2+ certified modem?

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  Reply # 76323 29-Jun-2007 17:16
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I have a 502T and it supports ADSL2+.  However, it is speed limited for interleaved connections.  It is a hardware issue, the 504T has the same problem until you get to generation II and hardware version 2.  The 502T generation II is not listed, and I suspect the latest version will also do 20Mbps (but I'm not going to waste $100 to find out, rather getting a decent modem).

So Telecom is not selling slow modems (any more).  The other advantage of ADSL2+ is that it will dynamically lower the transmitting power when not needed, to reduce crosstalk.  So even if using an old 502T which connects at a limited ADSL2+ speed, you still get a network quality inprovement.

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