Tim and all,

The COM7 is the port that your particular computer has assigned to the KXUSB cable's USB to serial adapter. Everyone else will have to discover which COM port is assigned to their cable. It should be briefly displayed on a Windows computer near the clock when it is plugged in - or look in Device Manager to see which port is assigned. Furthermore, if the USB port that the KXUSB is plugged into changes, the COM port assigned can also change.

The KX2 and KXUSB cable has no connections for RTS and DTR - the only valid lines are RXD and TXD. Even though the software supports PTT using DTR or RTS, it cannot be used with the KX2. PTT via CAT command or VOX operation are the only possible methods of putting the KX2 into Transmit.

73,
Don W3FPR

On 7/22/2017 2:02 PM, Tim Boppre wrote:


My settings for CAT Control are:

Serial Port: COM7
Baud rate: 38400 (matches the radio)
Data bits: 8
Stop bits: 2
Handshake: None
Force Contol Lines: DTR and RTS are blank
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