[Elecraft] Adding a P3 to a "Busy" K3 RS232 connector?

[Don Butler]

Thank you very much Joe.  The MK2R+ has been running perfectly with the two
K3s ... and I just don't want to upset the cart.

73, Don, N5LZ

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Joe Subich, W4TV
Sent: Wednesday, March 20, 2013 2:27 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Adding a P3 to a "Busy" K3 RS232 connector?


> I'm hoping I can just run a cable from the RS232 connector on the K3 
> to the "xcvr" RS232 P3 connector, and move the cable currently 
> connected to the K3 RS232 to the "PC" RS232 connector on the P3 ...
> and all will be well and good!?

That's the correct connection.  Set K3, P3, MK2R+ and your logging software
all to 38,400 bps to avoid issues with shifting data rates.

You may find it more convenient to use the serial port capability of
MK2R+ with a TTL to RS-232 converter (see the MK2R+ manual pages 60 -
62) for SteppIR control.

73,

    ... Joe, W4TV


On 3/20/2013 3:53 PM, Don Butler wrote:
> I'm hoping to add a P3 to one of the two K3s that I currently run in SO2R
> configuration.  Both K3s are connected to a microHam MK2R+.   The RS232
and
> ACC connectors  on both radios are "busy"  with both being connected 
> to the
> MK2R+ . and one with an additional Y-cable that provides band data to 
> MK2R+ a
> SteppIR  controller . and both ACCs providing band data through the MK2R+
> and on to band decoders that switch bandpass filters in and out.   At
least
> I think so.. because I always have to get out my notes and diagrams to 
> sort things out every time I disconnect/connect or make any changes or 
> adjustments.
>
> My question:  Will I create any conflicts when I add a P3 to one of 
> the radios?  I'm hoping I can just run a cable from  the RS232 
> connector on the
> K3 to the "xcvr" RS232 P3 connector, and move the cable currently 
> connected to the K3 RS232 to the "PC" RS232 connector on the P3 ... 
> and all will be well and good!?
>
> Has anyone with a similar setup been there and done that?  I'd rather
avoid
> any unwanted surprises if I can.   Comments?
>
>
>
> Don, N5LZ
>
>
>
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