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The difference between RS232, RS422 and RS485

  • 2013-12-06
  • 62.88KB
  • Points it Requires : 2

        The RS232 bus standard has 25 signal lines, including a main channel and an auxiliary channel. In most cases, the main channel is used. For general duplex communication, only a few signal lines are needed, such as a send line, a receive line and a ground line.

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