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Xport teardown

Discussion in 'Electronic Design' started by John Larkin, May 5, 2007.

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  1. John Larkin

    John Larkin Guest

  2. Jim Thompson

    Jim Thompson Guest

  3. Michael

    Michael Guest

  4. Jim Thompson

    Jim Thompson Guest

    Most likely it's just a custom ASIC.

    ...Jim Thompson
  5. Me too, thanks.

    Best regards,
    Spehro Pefhany
  6. John Larkin

    John Larkin Guest

    OK, up on abse.

  7. Jeff L

    Jeff L Guest

  8. John Larkin

    John Larkin Guest

    I know that. I just wanted everybody to beg.

  9. I didn't see it there, where is it, where is it?
  10. John Larkin

    John Larkin Guest

    Posted to abse yesterday.

  11. John Larkin

    John Larkin Guest

    Have you seen the same thing, high power consumption and high case
    temperature, for no reason? Lantronix told us they'd never seen it

  12. LVMarc

    LVMarc Guest

    Helo John,
    I use these beasts in a building network scheme. Some do go ballistic
    for no good reason as you mention. Never took one apart (so carfeully)
    and pictured so well. Nice work!
  13. LVMarc

    LVMarc Guest

    Yeah we saw it suck cuurent and act flaky, we had a net work of 3
    lantronix rs-485 to ethernet, all the thernets back to a pc. we buffered
    the drive signal from the lantroinx to drive rs-485 using "cp1" to
    select drive enable. on random times wewould get data failures, have to
    re boot and would work fine for 100's of hours. then fail ususally hot.
    we used curent limitng power supplies so we could see when the beasts
    failed. considering another source for that function and eliminating
    the rs-485 to ethernet bridging entirley...made sense for using exsitng
    wiring at first..
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