Simply put, you need to connect audio out from the Kantronics to Line IN
on the K3, Audio IN on the KAM to LINE OUT on the K3, PTT Out on the
KAM to PTT IN (RCA or ACC) on the K3 and, if you use it FSK, on the KAM
to the FSK IN pin on the K3 ACC jack. There is no RS-232 connection
between the two.
Your computer will use one serial port to connect to the K3 to control
frequency and mode if your logging program supports that. Your computer
will use *a second* serial port to connect the KAM with an appropriate
*terminal emulator* or digital control program.
73,
... Joe, W4TV
On 4/15/2014 12:38 PM, Jim Brown wrote:
On 4/15/2014 8:51 AM, Graham Pemberton G7NEH wrote:
I’m a bit confused on this, do I have to go from the KAM XL to the
RS232 port and the audio in/out connectors on the K3 or can I just use
the RS232 port on the K3.
The Kantronics generates data as audio to modulate the K3, and decodes
the received audio to put characters on your screen. You will need audio
in and out to/from the K3. The RS232 port in the K3 allows a computer to
control the K3, and to get information from the K3 about frequency and
operating mode. It does NOT include audio.
That's all I know about this box, so you'll have to study the manual to
understand what to do with the serial port -- that is, does it go to the
computer or to the radio, and how the Kantronics uses it.
73,
Jim K9YC
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