David,
The solution for the KX3 and KXPA100 is greatly simplified if you use
the KX3 to KXPA100 adapter cable.
You connect the KXPA100 to the personal computer and the adapter cable
splits out the RS-232 signalling to the KX3. See the connections on
page 14 of the KXPA100 manual. The KX3USB cable connects between the
KXPA100 and the PC.
No MAGIC BOX needed.
The PX3 does not have to be continuously connected to the computer. For
firmware updates, Configuration Save and Restore, you can connect a
KX3USB cable and run the PX3 Utility for those operations (those are
done off-line and not real-time).
73,
Don W3FPR
On 1/19/2017 7:19 PM, David Orman wrote:
Hi,
I'd like to have serial output via db9 and also usb at the same time with
my KX3. Is this something possible? ie: have the cable run from my
KXPA100(I have a KX3/KXPA100/PX3 trio) to some sort of external box with a
DB9connector using the KXSER option, and that box would have a second
DB9port (or cable running from it) so I could connect something else that
needed serial access, in addition to a USB port (or another serial port) I
could use to connect to my PC.
I need something that ends up like this:
KX3/KXPA100/PX3 (firmware updates/backups/computer control) -> MAGIC BOX
MAGIC BOX -> another accessory via DB9/serial
MAGIC BOX -> computer via USB ideally, or via serial with an adapter for
USB for the computer
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