[Elecraft] MICROHAM USB III INTERFACE WITH K3 UTILITY DOES NOT WORK

Joe Subich, W4TV lists at subich.com
Fri Feb 16 20:40:25 EST 2018


On 2/16/2018 6:21 PM, Tom wrote:
 >
> I may be mistaken with the following. Joe can answer this best.
> Using the K3 utility with the MicroHam, is not something you
> generally want to do.
The K3 utility runs just fine through microHAM USB Device Router
as long as it is the *only* application accessing the transceiver
and you don't try to update firmware.

I have not attempted to run the P3 utility through microHAM USB
Device Router but have no need to do so.  Whenever I update the
firmware in either of my K3(s) or the P3, I switch to a direct
serial connection.

73,

    ... Joe, W4TV


On 2/16/2018 6:21 PM, Tom wrote:
> Hi,
> I may be mistaken with the following. Joe can answer this best.  Using 
> the K3 utility with the MicroHam, is not something you generally want to 
> do. Many of the commands are not part of the Elecraft serial port API.
> I know that in the past when Win4K3Suite was being developed, the 
> MicroHam would not pass P3 commands and Joe was kind enough to add these 
> commands to the router firmware.  Now in the case of the K3 Utility, 
> many of the commands are not published and therefore might not be 
> passable through the serial port.
> Use of the K3 utility though any software router is not recommended and 
> you might brick your K3.
> 
> That being said, VMWare fusion will pass all USB ports through to the 
> Windows 7 virtual machine.  You must first plug them into the Mac OS and 
> make sure they work there.  Then you start up your virtual machine and 
> make sure you have enabled and connected the USB devices in the VMWare 
> settings (I think there is a tab on the top to do so.)  If this is not 
> done, then no ports are available.
> Hope that helps.
> 73 Tom
> va2fsq.com
> 
> 
> -----Original Message----- From: Don Wilhelm
> Sent: Friday, February 16, 2018 5:55 PM
> To: Greg Best ; elecraft at mailman.qth.net
> Subject: Re: [Elecraft] MICROHAM USB III INTERFACE WITH K3 UTILITY DOES 
> NOT WORK
> 
> 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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