If you need to block the TX lines from the amp to the K3 (or from the amp to the
P3's computer connection if that is also in the system) making a custom cable or
taking a M-F 9 pin adapter with the proper pins broken off can make it easy.)
The key thing to remember with RS-232 is that while you can usually have
multiple devices listening to a path, only one can transmit.
73,
Eric
/elecraft.com/
On 12/14/2015 5:13 PM, Josh Fiden wrote:
Charles,
At this point, it seems like a silly question. BUT... have you tried
connecting it as the manufacturer (OM-POWER) suggests? If so, what happened?
So far we know that you have tried using some Y-splitter on the RS-232 line.
It didn't work, and Don provided a clear and detailed explanation why that was
the case.
Serial data is echoed bidirectionally through the OM2500A. There is no "listen
only" mode that I'm aware of. RTS and DTR are hardwired straight through.
73,
Josh W6XU
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