Greg, Do you have a USB to serial cable other than the MicroHam?
If so, try connecting using K3 Utility with it. If it works, then you will know the K3 is OK, and the computer (at least for K3 Utility) is OK too. If that is the case, then you will only need to look at the MicroHam, the serial cable from the Microham to the K3 and the cable between the computer and Microham.
That is a lot better than trying to troubleshoot the entire system (computer, Microham and K3) as a single unit - in other words, isolate the problem to one box and its connecting cables.
Set the baud rate for the COM port at 38400. 73, Don W3FPR On 2/16/2018 2:23 PM, Greg Best wrote:
I am still trying to get a K3 talking. I have a connection through a Microham USB III Interface box that connects the K3 RS232 port to my PC running Win 7 64 Pro. The path is from the K3 to the Microham III USB interface, then there is a straight USB connection from the Microham to the PC. I have downloaded the K3 Utility and tried to see if it will establish connection with the PC but it will not. COM port 1 is used. The K3 setting is currently at 38400 baud but I also tried setting the K3 baud rate at 4800 and doing a power on/off but with the same results. I see the K3 utility screen on the PC step through the various baud rates but it will not sync up to the K3. The PC recognizes the Microham USB interface when looking at the Win 7 Device Manager but it indicates there is no device driver. I don¹t always trust what the PC says though. Can someone point me to a device driver I can download and install. My K3 FW is Rev 5.38.
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