Posted by mickeyf on November 22, 2005
In Reply to: serial port writing with delphi posted by reza on November 15, 2005
In general, you don't toggle pins on a serial port, you send data streams out a serial port to a device that is able to interpret them. You may use DTR and DSR to manage the communication between devices.
typical that you would toggle the pins on a parallel port.
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