[Xastir] Xastir and TM-D710A

[Russell Handorf]

James,

Thanks for the input. Setting my radio to use Packet12 and plugging into 
the port on the back of the head unit, I now see the traffic in Xastir! 
I guess this was a PEBKAC related issue. So, how can I get it to use the 
PC Port on the back of the TX/RX unit instead of having to use the Comm 
port on the back of the head unit?

Thanks again!

Russ

James Ewen wrote:
> On 12/23/07, Russell Handorf <rhandorf at handorf.org> wrote:
>
>   
>> I think it's that I had it configged for 9600 baud, not 1200. When I use
>> the internal TNC on the radio for 9600 Baud, I have no updates where as
>> 1200 shows all the traffic.
>>     
>
> When you say you are using the internal TNC, do you mean using the
> radio in APRS mode, and looking at the display screen? Are you
> referring here to menu 601 INTERNAL TNC | DATA SPEED? This is the
> on-air baud rate.
>
>   
>> The problem is when I try to tell the radio to use a different port
>> speed on the com port. 9600 baud is the lowest I can go! My options are
>> 9600, 19200, 38400, and 57600.
>>     
>
> Now you're talking about the settings in menu 528 AUX | COM PORT
> BAUDRATE, or menu 519 AUX | PC PORT BAUDRATE. The COM port is on the
> back of the control head while the PC port is on the back of the TX/RX
> unit. There is also another setting that you should not be playing
> with, and that is the DATA Terminal Speed in menu  518 AUX | EXT. DATA
> SPEED. That is only for use when using an external TNC connected to
> the DATA terminal on the back of the TX/RX unit.
>
> Let's get your oranges out of your apple cart.
>
> The TM-D710A is a dual speed TNC. It can operate at both 1200 baud and
> 9600 baud on RF. This is the on air signalling rate. This has nothing
> to do with the speed of that the radio is communicating with the
> device attached to the COM port on the radio control head or via the
> PC port on the back of the TX/RX unit.
>
> Try plugging into the back of the control head, and watching the
> incoming data as you press the TNC button on the D710 to get it into
> Packet mode. You should see PACKET12 above the side of the radio that
> says 144.390. That means you are on 144.390 running at 1200 baud in
> packet mode. See if you can get access to the TNC that way.
>
> James
> VE6SRV
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