FT-891using WSJTx & Windows 11 Surface Go 2

[K0TX]

Do you use the cable with black MiniDin6 connector from FT-8xx kit? The TRRS end of it should go into Digirig’s audio socket. With FT-891 there is nothing connected to Digirig’s serial socket. More on that here:

Cables for Yaesu FT-891

Unlike other transceivers in FT-8xx lineup, Yaesu FT-891 does not expose the serial interface lines and instead implements serial CAT internally via its own USB connection. Only the cable with MiniDin6 connector is needed on the transceiver side. Plugged into Digirig’s audio port it takes care of minimum feature set required for digital modes: audio and PTT. The PTT switch is controlled via the RTS signal of Digirig’s COM port. The cable is available as part of Yaesu FT-8xx cables kit. If opt…

Although mechanically identical, the electrical functions of two Digirig’s sockets are different. There is no cost to trying connections in this case, but I would discourage this kind experimentation as a troubleshooting method.