Jack,
Make sure you set everything to 38.400 bps - SteppIR, K3, P3 and
Commander's Primary CAT Serial Port. Connect the SteppIR "Y" cable
between the K3 and P3 ("computer" connection to the P3) and the
Elecraft USB adapter to the P3 RS-232 input.
Essentially the system is linear: Computer <-> P3 <-> K3 with the
SteppIR tapped off between the P3 and K3.
73,
... Joe, W4TV
On 3/21/2012 1:37 PM, Jack Berry wrote:
> I have just added a P3 panadapter to my station and need to work out the
> communication with this new device and the existing ones.
> My setup currently works fine with the SteppIR controller tagged into a
> Y-cable
> from SteppIR (RS232/DE-9). The anchor back to the USB hub is the ElecraftUSB
> cable (FTDI chipset).
>
> When I add the P3 panadapter it works fine in all respects expect tracking the
> K3's frequency. If I then launch Commander the P3 displays the current
> frequency
> but doe not see any changes in frequency. The K3 and Commander continue to
> communicate in both directions relative to frequency changes but the P3 is
> blind
> to changing frequency, but the P3 does continue to work fine in all other
> respects.
>
> At this time I am not attempting SteppIR control with logging software. If
> simply adding another Y-cable will do the job then the SDA-100 controller for
> the SteppIR might add on without a problem.
>
> I'm in over my head in trying to understand which way and in what order is
> flowing and also how it needs to flow. Any advice is appreciated.
>
> Thanks,
>
> Jack - WE5ST
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