You plug in your USB to DB9 adapter to where it saids "computer" on the interface board. Then where it saids repeater that plugs into the repeater! The audio cables are marked, so the speaker out cable coming from the interface board goes into the "mic in" on the USB sound card. The "mic in" on the interface board goes into the speaker out on the USB sound card.
Here is a video to show that:
https://youtu.be/fBbrP192q3Q
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How do i hookup the interface board?
How do i hookup the interface board?
My youtube channel:
https://www.youtube.com/@GMRStwowayradio
https://www.youtube.com/@GMRStwowayradio