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???
06/11/09 17:41
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 		 #166022 - Tested both self-powered and bus-powered
Responding to: ???'s previous message
Erik Malund said:


a properly terminated 485 with a few nodes REALLY suck power

Erik



My first design was self-powered, draining no power from USB bus. I changed it to bus-powered and the drained current is below the USB maximums. Either self-powered or bus-powered did not resolve my original problem.


List of 30 messages in thread
TopicAuthorDate
FT232R USB to Serial            01/01/70 00:00      
   Something silly ?            01/01/70 00:00      
      Capacitive Coupling            01/01/70 00:00      
         Ideas            01/01/70 00:00      
         there is always SOME coupling...            01/01/70 00:00      
   crash and reset the USB connection            01/01/70 00:00      
      Very unlikely            01/01/70 00:00      
         PC USB crash            01/01/70 00:00      
            Isolated hub?            01/01/70 00:00      
         PC Isolation?            01/01/70 00:00      
   just blame the chip.            01/01/70 00:00      
      Please see my other post with image (nt)            01/01/70 00:00      
   is connector grounded on Your side?            01/01/70 00:00      
      Huh?            01/01/70 00:00      
         yes            01/01/70 00:00      
            Floating the end of the cable shielding            01/01/70 00:00      
      Was using wrong cable            01/01/70 00:00      
   More information            01/01/70 00:00      
      Hmm            01/01/70 00:00      
      isolation            01/01/70 00:00      
   Update...            01/01/70 00:00      
      USB and RS485            01/01/70 00:00      
         could this be it            01/01/70 00:00      
            Tested both self-powered and bus-powered            01/01/70 00:00      
         RS485 Converter            01/01/70 00:00      
      el.circui?            01/01/70 00:00      
      re: why?            01/01/70 00:00      
         USB 1.1            01/01/70 00:00      
            re: USB 1.1            01/01/70 00:00      
               popular culture            01/01/70 00:00      

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