Com-Port and Baud-Rate (see list point "1") may appear in the sesssion form. Next select the "Session" tree item and change the type of the session (maybe former "SSH" or "Telnet" to "Serial" (not in the tree this time but "Serial" in the form with the session settings). First of all consider the correct name of the COM-Port which you can find in the device manager (hardware manager) of windows and the baud rate. Then enter the connection data of your choice into the form on the right side. Select the "Serial" tree item in PUTTY on the left side of the little window. Voltages measured when connected an may vare from -3V to -15V but only if no data are beeing sent. Right side: 9-pin-sub-d-plug => Pin 3 on plug: TX from PC (-10V, provided by PC), pin 2 on plug: RX to PC (-7V, provided by embedded device), pin 5: ground.More details to the above solution (using "Session" instead of "Serial")
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