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Linksys ADSL2MUE Not Working

Discussion in 'Other Linksys Equipment' started by Amarbir, Oct 21, 2007.

  1. Amarbir

    Amarbir LI Guru Member

    Hi Mates ,
    This is My First Post Here .I Have a ADSL2MUE Which Has the Red Power Light On .If i Connect the Modem To the Pc Using Normal Patch Cord The Greeen Light For The Same Also lights Up .I Cannot Reset This Modem or Use It ,I did read and search about the bricking/debricking ,but i would like to go step by step ,Please Help ....
     
  2. HiSpeed

    HiSpeed Network Guru Member

    At first, try to check or replace the power supply...
     
  3. Amarbir

    Amarbir LI Guru Member

    Hi,
    i Am a Electronic Professional also .Please Visit My forums For budding Repair Technicians www.therepairmasters.com .Yes i did that i used a dlink smps power supply rated at 5 volts dc @ 2 Amps .
     
  4. HiSpeed

    HiSpeed Network Guru Member

    Hi,
    I am a software engineer, please visit my forums for ADSL2MUE hardware/firmware troubles... :biggrin:
    :chuckle:
     
  5. mstombs

    mstombs Network Guru Member

    There is an internal 5V to 3.3 V convertor that may have failed - if you open it up the 3.3V is easily accessible on the serial console socket already soldered to the board. I've fixed one and know of a couple of others that had this fault. See my other posts here and on routertech.org!
     
  6. Amarbir

    Amarbir LI Guru Member

    Hi i never said for adsl modem did i
     
  7. Amarbir

    Amarbir LI Guru Member

    No Issues on this one too its 3.275 .Also help me recover step by step
     
  8. mstombs

    mstombs Network Guru Member

    Well the best way would be to hook up a serial console cable and see what is output when the modem tries to boot. You will need a level changer (MAX232 or mobile data cable) and see if you can capture the data at 38400 (usual default) or 9600 baud (default when config completely wiped)

    An alternative next step is to try to connect to the bootloader via the Ethernet connector, using ftp or a Ti PC-Tool (sometimes called adam2app), no point in me copying from here:-

    http://www.routertech.org/viewtopic.php?t=335

    Its possible the 'environment' variables have become corrupt - do you have any idea of the modem's history? If just a failed firmware upgrade (power lost during flash write) the bootloader should be fine we just need to reload a working firmware.
     
  9. Amarbir

    Amarbir LI Guru Member

    if we assume the bootloader and the firmware to be currupt ,what do you want me to do
     
  10. mstombs

    mstombs Network Guru Member

    Very unlikely the bootloader is corrupt - the software controlled green LED is a good sign. You need to try to connect to it by serial console or Ethernet, then we'll take it from there - you'll need the Ethernet connection to reload the firmware.
     

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