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???
04/29/05 18:34
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#92620 - B & B Electronics
Responding to: ???'s previous message
They make an Optical Isolator the looks like a Gender Changer.

He has provided no info on why this might be happening. What is the PC talking to? Who is grounded to what. Does the PCB have a floating ground. Does the power supply have an unusual ground configuration. Is a 25 foot Rs232 cable running next to an arc welder?

List of 13 messages in thread
TopicAuthorDate
Serial Port            01/01/70 00:00      
   ground is not ground            01/01/70 00:00      
      Grounded !!!            01/01/70 00:00      
         yes, if you measure            01/01/70 00:00      
            Connecting grounds of different circuits            01/01/70 00:00      
               connected            01/01/70 00:00      
   No isolators?            01/01/70 00:00      
      MAX232 is not an isolator            01/01/70 00:00      
         B & B Electronics            01/01/70 00:00      
   MAX232 is no isolator indeed            01/01/70 00:00      
   IMHO Erik is right..            01/01/70 00:00      
   serial port cable            01/01/70 00:00      
   Damages???            01/01/70 00:00      

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