With a little coaching from K0TX, I was able to build a working AT-D578UV cable. You have to change one setting on the radio for PTT to work: Menu / Settings / 1. Radio Set / 64. Hand Type / 2. Volt-Det. [image] 73, KI5QPY

I’m not familiar with the particulars of this setup, but in the cases where access to COM port is needed by multiple apps it is either a middleware app that gets the exclusive access and acts as an IP server to multiple clients (onmirig, flrig) or a virtual COM port splitter that creates multiple vi…

Thanks for getting back on this, thinking about what is going on and doing some more experimentation, I realize that I was thinking about this in the wrong way and that running the remote mic software concurrent with the Vara FM is not the intended mode of operation, at least not for now. The remo…

Some notes: USB2412 is a USB hub and basically splits the port without understanding or contributing to any functionality of any of the devices connected downstream Serial port settings in device manager typically don’t play any role (baud, data bits, stops etc.). The COM port is usually confi…

Thanks, and I do have the interface working with just the audio cable and the RTS generated PTT … with respect to the 2412, I have been thinking that it repeats whatever comes in from the host to both of the output ports hence my thought that the RTS is generated by the CP2102 when the audio destine…

USB is a bit more involved with individual devices only getting the data that is addressed to them. CP2102 is a single purpose UART IC and it is incapable of interpreting anything related to audio. The computer explicitly controls RTS signal via API calls and the software application decides when t…

A CAT capable version of this cable is now available in store: [image] [image] Anytone AT-D578 Cable for Digirig Mobile – digirig

I’ll summarize the situation with the two cables and different modes. AT-D578 has an unfortunate arrangement with the same pin on the MIC connector shared between the serial line URX and the hardware PTT. The function is controlled by the Hand Type menu setting and it is set to UART (serial) by def…

For 2, Winlink with VARA FM is an example of software that works with this configuration. There was a bug in the last version of VARA, but it’s fixed now. Try the latest version.

Rob, Thanks for the info. If not too much trouble, can you please share the screenshots of the CAT control configuration (baud, bits and anything that’s relevant). Thank you.

Below is the settings info from my email exchange with Greg AI5HV I did some additional testing and here is what I found. I was able to make both the AnyTone 578 audio only cable and the AnyTone 578 CAT and audio cable work. Tests were performed with the following equipment: AnyTone 578UVIIIPro …

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Cable for Anytone AT-D578UV III Pro & Plus

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