COM ports vs USB


Connecting , Radio control, PTT, Cluster, DATA, and etc.etc.
translates into a lot of Com ports.
I am a novice in using these programs let alone understanding the
details. Is it possible to utilize the USB ports for connecting the
TNC's for the DATA and Cluster windows, as well as for Radio Contol,
possibly more than one. If so how? Any one out there using USB
instead of Com ports?

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