linksys wag354 annex b to annex a

Discussion in 'Other Linksys Equipment' started by ThoDis, Oct 19, 2007.

  1. ThoDis

    ThoDis Guest

    Hello and congratulations for you forum...
    I have linksys wag354 b for isdn . Recently i applied for a new phone line which is over pstn and needs annex a. I cant afford to buy a new modem and i was hoping there was a way i could change my modem to work over psth (from annex b to annex a)

    Thanks in advance,
  2. HiSpeed

    HiSpeed Network Guru Member

    I don't think it is possible because hardwares are different but I'm not absolutely sure for your model...
  3. mstombs

    mstombs Network Guru Member

    From the firmware point of view it seems there is only one file that changes - the DSP driver, so I suspect you can load and run the different Annex firmware - but as HiSpeed says this won't change the hardware if there are differences there.
  4. masterb

    masterb LI Guru Member

    the high pass filter could be different between annex a and b models. Anyway, I know some fritx!box can be transformed from b to a, and since those are ar7 router like 354, you can try too.

    In order to flash an AnnexA firmware to AnnexB you need to change the code pattern of the firmware image and recreate the checksum....if you need help to do this, ask!
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