title: Sending ENQ, id, CR, and LF to Serial Port using C#
body: <p>In my app have Converter USB/RS-485.
  Have a device with the id 30 connected on this converter.
  The manufacturer has informed us that we need to access the device in binary code.
  How to send ENQ id CR and LF to this device using C#?</p>
  
  <p>Thank's in advance,
  ocaccy</p>