[chirp_users] Error Programming Kenwood TM281

[Tom Marinello]

I'm having the same problem Steve Thomas has:
Windows 10 PC
Radio Kenwood TM-281
Cable - Prolific USB-to-Serial Comm Port (COM3)
Driver 3.2.0.0 7/31/2007

Run CHIRP daily-20190222
Select Download from Radio
Confirm Radio & Port

No response from CHIRP after 5 minutes
Re-select Download from Radio
Error popup reads An error has occurred
could not open port COM3: [Error 5] Access is denied

Quit CHIRP

Open MCP-1A

Select Read>All
Reading the data from the transceiver, and data is displayed in window
Select File>Open - choose "test" mcp file. Full programming data is
displayed
Select Write>all
Popup asks "Do you want to write the data to the transceiver?" Select Yes
Writing the data to the transceiver, and radio is programmed with contents
of "test" mcp file


So the problem does not seem to be with the cable or the radio, since
MCP-1A can talk to the radio.
So it appears that Steve and I have exactly the same problem with CHIRP.
Except Steve's is first time programming and mine is after a reset or after
the radio has been programmed with MCP-1A

Can any TM-281 users offer other suggestions, or CHIRP experts/developers?

/Tom
K6IGY


> ------------------------------
>
> Date: Sun, 24 Feb 2019 20:00:17 -0600
> From: Steve Thomas <stevet at alertcpr.com>
> Subject: [chirp_users] Error Programming Kenwood TM281
> To: chirp_users at intrepid.danplanet.com
> Message-ID: <37314aab-cfa8-8fc0-1cd8-6663c04870e3 at alertcpr.com>
> Content-Type: text/plain; charset="windows-1252"
>
> I am trying to program my Kenwood TM281 for the first time. I'm using
> Windows 10.? I previously ran Chirp to program a Wouxon hand held and it
> worked fine with that cable.
>
> I have a Prolific cable I got from BlueMax49ers.?? The instructions said
> it was a genuine Prolific chip and to use the latest drivers.? So I
> checked and it is using the latest drivers (3.8.28.0).? When I started
> Chirp, I plugged in the radio, and selected "Download from Radio".?? It
> gave me a dialog with Com3 preselected, and I selected Kenwood and
> TM281. When I clicked OK in the dialog, I get this message:
>
> _*An ERROR Has Occurred*__*
> *__*could not open port COM4: [Error 5] Access is denied.*_
>
> I tried Com3, and got the same error.
>
> _*An ERROR Has Occurred*__*
> *__*could not open port COM3: [Error2] The System Cannot find The File
> specified.*_
>
> (this may be the original error, I don't know. I changed the com port to
> Com4 before writing down what the original error was when it originally
> went to Com3)
> **_**_
>
> I looked into Device Manager, and under Ports (Com and LPT) It says the
> Prolific USB to Serial Comm Port (Com4)
>
> I looked at the Properties and it says this:
>
> Does this sound familiar?
>
> Steve
>
>
>
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