I you always use LP-Bridge and have a spare serial port, you can feed
the amp directly from one of the LP-Bridge Output ports. The protocol is
Kenwood, 4800 baud.
Larry
On 12/13/2015 2:35 PM, [email protected] wrote:
Date: Sun, 13 Dec 2015 09:52:46 -0600
From:[email protected]
To:[email protected]
Subject: [Elecraft] K3S RS232 "Y" Connector causing port conflict
Message-ID:<[email protected]>
Content-Type: text/plain; charset=US-ASCII
I have an OM2500A amp that works perfectly with my K3S when it is the
only thing connected to the RS232 of my K3S.
I am using LP-Bridge and Na3P to create a panadapter and this works
perfectly when the computer is the only thing connected to the RS232 of
my K3S.
The manual shows how to use a RS232 "Y" splitter so that two devices can
share the RS232 port of the K3S, but when I use the "Y" splitter (one
side to the OM2500A amp and one side to the computer) the following
malfunctions occur:
1. The OM2500A display rapidly changes from the correct VFO frequency to
an out-of-band frequency over 2 Mhz away.
2. The pandapter frequency readout ceases to function.
I assume there is a port conflict, and I wonder if anyone knows the
correct pin-out of the RS232 line to the OM amp so that it will be a
passive listener on the DB9 cable?
Thanks,
Charles K5UA
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