K2 connecting to N1MM on Laptop

[Elecraft mailing list]

Hi, after about 4 years of dormancy using other radios,  I've just about
finished building assembling my K2 (not the 100W version). I have built &
installed all the accessory modules so far except for the Noise Blanker. All
have checked out OK after replacing a "dud" trimmer in the ATU module.

I now want to connect the K2 to N1MM+ on the laptop, presumably using an
FTDI chipset USB/RS232 port connector plugged into the laptop. I have also
downloaded the Virtual Serial Port Emulator program & created a few virtual
COM ports in the same way as I would if using the K3 with N1MM+.

Using MENU/DISPLAY in the K2, I have switched the PORT - ON, but I don't see
anywhere to specify specific ports for connecting to the logging program & I
note that N1MM+ is not in the lists of programs in the KIO2 manual, which
seems somewhat of an oversight to me but I guess it's a historic omission?

I'm sure others have had a similar problem & hope that someone can point me
in the right direction? I had a K2 some years ago & seem to remember using a
Microham MK2 successfully but I hope to find a way of directly connecting
the K2 without using a Microham.

Any help or guidance appreciated

73 Ray G3XLG

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[k6dgw]

Do not plug a USB-Serial adapter into the DE9 on the back of your K2! 
That connector has both TXD/RXD signals at RS-232 levels AND internal K2
signals for accessories.

You need to fabricate an adapter that will connect ONLY TXD, RXD, and
SIG GND to the USB adapter.  The COM port should show up in Device
Mangler when you plug the USB into the computer.  No other ports
required.  That COM port # goes into the N1MM+ Config->Ports display.

73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 7/27/2019 12:33 PM, Ray Spreadbury via Elecraft wrote:

> Hi, after about 4 years of dormancy using other radios,  I've just about
> finished building assembling my K2 (not the 100W version). I have built &
> installed all the accessory modules so far except for the Noise Blanker. All
> have checked out OK after replacing a "dud" trimmer in the ATU module.
>
> I now want to connect the K2 to N1MM+ on the laptop, presumably using an
> FTDI chipset USB/RS232 port connector plugged into the laptop. I have also
> downloaded the Virtual Serial Port Emulator program & created a few virtual
> COM ports in the same way as I would if using the K3 with N1MM+.
>
> Using MENU/DISPLAY in the K2, I have switched the PORT - ON, but I don't see
> anywhere to specify specific ports for connecting to the logging program & I
> note that N1MM+ is not in the lists of programs in the KIO2 manual, which
> seems somewhat of an oversight to me but I guess it's a historic omission?
>
> I'm sure others have had a similar problem & hope that someone can point me
> in the right direction? I had a K2 some years ago & seem to remember using a
> Microham MK2 successfully but I hope to find a way of directly connecting
> the K2 without using a Microham.
>
> Any help or guidance appreciated
>
> 73 Ray G3XLG
>

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[Don Wilhelm]

Ray,

It seems like you are expecting the K2 to define the COM port number (or
perhaps it is just your wording).

The COM port is assigned to the USB to serial adapter by your computer.
Open Device Manager and then expand the ports item - then plug in the
USB to serial adapter (no need to connect to the K2 at this point).
Observe which device is added and its associated COM port number.
Put that port number into N1MM+.

If you are planning to run several software applications simultaneously,
then you will have to use Virtual COM ports,  Assign the COM port
connected to the K2 to the virtual COM port application and then connect
the various applications to the virtual COM ports created.

If you are running only one application at a time, there is no need for
the virtual COM port software.

73,
Don W3FPR


On 7/27/2019 3:33 PM, Ray Spreadbury via Elecraft wrote:

>
> I now want to connect the K2 to N1MM+ on the laptop, presumably using an
> FTDI chipset USB/RS232 port connector plugged into the laptop. I have also
> downloaded the Virtual Serial Port Emulator program & created a few virtual
> COM ports in the same way as I would if using the K3 with N1MM+.
>
> Using MENU/DISPLAY in the K2, I have switched the PORT - ON, but I don't see
> anywhere to specify specific ports for connecting to the logging program & I
> note that N1MM+ is not in the lists of programs in the KIO2 manual, which
> seems somewhat of an oversight to me but I guess it's a historic omission?
>

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