I have tried, tx and RX audio is just fine Cat is the problem, normalt Ts-480 should work to some extern, But no. And asked Vara-folks,who answered. Winlink folks deals with CAT and rigs.
The discussion geoup has a few question on rig compatibility some years ago, with no answers.

« OK,
For VARA HF the Rig control is in the Winlink Express software, not in VARA HF. So, you have to ask to the Winlink Writer in the Winlink google group:

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