fbCtlHndShake (BYTE)

      HandShake Control flag.

      Has the following bits:

      Bits 0-1

        DTR Control mode. Has the following:

          Bit 1

            Bit 0 Description
          0
            0 Disable
          0
            1 Enable
          1
            0 Input handshaking
          1
            1 Invalid input. Results in a general failure error.
          Bit 2
            Reserved. Must be 0.
          Bit 3
            Enable output handshaking using CTS
          Bit 4
            Enable output handshaking using DSR
          Bit 5
            Enable output handshaking using DCD
          Bit 6
            Enable input sensitivity using DSR
          Bit 7
            Reserved. Must be 0.

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