Thanks Don.
Yep, I was over-thinking the problem! Links are new to me. Somehow I
was forgetting I have control over keeping the link transmitter up
after I drop the PL tone, so I can eliminate squelch crashes at the
receive end of the link that way. All I need to do is ground that
trusty pin (P701) on the Micor encoder, and possibly tweak some
timer settings in the repeater/link controller. I was also
forgetting I can force messages (ID) to start some specified time
after I drop the PL tone and before the transmitter drops.
I may be able to control P701 directly from an output on the RLC-4
controller. Needs some research. I'm not sure I understand exactly
how some of the event triggers (029-044) work (or rather exactly
what triggers them) but I will ask and/or figure it out.
Paul N1BUG
Don Kupferschmidt wrote:
> There was an earlier post concerning grounding a pin on the backplane which
> instantly disables the PL tone on the transmitter. I've got a VHF unified
> chassis MICOR which is controlled by an SCOM 7K controller. I used one of
> the digital outputs of the controller and tied it directly to the PL disable
> connection on the backplane.
>
> Then, I programmed a macro which was tied to a command function to have the
> line go low 1 or 2 seconds just before the transmitter shuts down. I works
> flawlessly. I don't have the manual or the code in front of me, but if
> anyone is interested in this I can provide details. Obviously you would
> need either a controller or some type of interface to accomplish this.
>
> 73,
>
> Don, KD9PT
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