The Model of Axxera radio has only one camera input, thus Thor used a 3 camera multiplexer box. The new radio you get will more than likely also have only a single, thus you could re-use the box.
The USB port you are talking about plugs into the Axxera radio in the back through the use of a USB extension cable. You could plug this also into the new radio, if it comes rear USB equipped. On the Axxera the rear USB port is power only. On the new radio, the port may also include data.
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2018 Four Winds 31Y
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