This article will answer some frequently asked questions about Annex M, which is available for business broadband services.
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Currently we have been able to provide Broadband ADSL speeds from 256k/64k (ADSL1) up to 24,000kbps/1000kbps (ADSL2+)
ADSL on iiNet's network is ADSL2+ and is technically known as 'ADSL2+ Annex A' which supports a maximum upstream data rate of around 1000kbps. 'ADSL2+ Annex M' is a new high speed mode of ADSL2+ which allows the upstream data rate to be increased beyond the current 'Annex A' maximum, allowing speeds more than double the current upstream.
To use Annex M ADSL2+ with iiNet, you'll need a current Business Broadband plan with an original sync speed (i.e. prior to adding Annex M) above 8MB in the downstream - otherwise having Annex M will likely provide no benefit to your upload speed.
You'll also need an ADSL2+ modem/router which is capable of Annex M. Please check this with your hardware vendor to ensure your modem is capable of Annex M.
Annex M is only visible for Business broadband services - it is not available for residential services. Additionally, Annex M cannot be enabled if your connection is on a Thrillseeker or Gamer profile in the Connection Speed Manager.
Whilst Annex M can provide a gain in upstream sync speed, this can also have an effect on the downstream sync speed in some cases. Again, this all depends on distance from the telephone exchange and quality of the line.