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problem about serial port communication

Question asked by alex-emc on Aug 12, 2010
Latest reply on Aug 31, 2010 by Scott-S
dear all,
   I hope to communication to a serial port (com1) with VEE, and I confirm the connection is OK, but when I sent a command to the port, an error is displayed, and it said that 'No device at Visa addfress/alias: com1 device is not open". so I want to know how to open a serial port with VEE. If Viopen can be used, how to do it? I do not find viopen in visalib, Thank you very much.
Alex  

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