Use a simple diode or gate. 1n4148 or 1n4001 will
should do it. Tie diode anode together and this gets
connected to amp. The individual cathodes get
connected the respective transceiver. And you will
love your ORION
--- Rob Santello <Orion@drumon.com> wrote:
> Hello group,
>
> I've recently up-graded my shack with a addition
> of a used Oi
> which now sits next to my existing Kenwood TS-2000.
> Currently, the
> TS-2000 is connected to my Ameritron AL-80B amp and
> I want to be able
> to use that amp with the new Orion. Can I parallel
> (using a "Y"
> cable) the keying line that is now coming from the
> TS-2000? I believe
> the TS-2000 has relay contacts and the Orion uses an
> open collector
> transister to key the line. Seems to me that both
> can be connected in
> parallel without problems. When the TS-2000 is
> keyed, the Orion would
> see a short to ground across the keying transistor.
> Being open
> collector, that should not be a problem, right? And
> when the Orion is
> keyed, the TS-2000 would see a short across the
> relay contacts which
> is no problen at all. So am I correct with this or
> should I not
> parallel the two radios this way? Is there a better
> way if this is
> not acceptable?
>
> Thanks in advance and 73,
> --rob--
> K6DQ
>
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>
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