The workbench was a graveyard of half-finished projects until the arrived. For a radio op, it wasn’t just a cable; it was the bridge between a legacy rig and modern digital wizardry.
: Many schematics add a sub-circuit using the RTS (Ready to Send) or DTR (Data Terminal Ready) line from the serial converter to trigger a transistor (e.g., ) for PTT or CW keying. Connection Layout icom ci v usb interface schematic top