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USB C vs USB A - Printable Version

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USB C vs USB A - oldgearguy - 10-08-2022

Testing various configurations this morning and it seems that when connecting to a Mac, the MRCC is not recognized when I use a USB B to C cable,  but is fine when I use a USB B to A.

I tried powering down the MRCC  and also hot swapping the cables with no success. I did not try rebooting the Mac each time because ... 

Interestingly, the new MRCC 880 works just fine connected to either A or C ports.  Hot swapped or power cycle the 880, either creates a valid connection.


RE: USB C vs USB A - Jesse Johannesen - 10-09-2022

I have seen this issue with USB hubs, try plugging in the C side in before the B side goes into the MRCC. It may be that the Cable is a small 1 port USB hub rather than just wires inside (IE has a small processor inside).


RE: USB C vs USB A - oldgearguy - 10-09-2022

These were all tested plugged directly into the ports on the Mac.  Also,  the hot plug tests were done by pulling, plugging the B connector at the MRCC.


RE: USB C vs USB A - Jesse Johannesen - 10-14-2022

Thanks for clarifying. It makes sense that we could be seeing different behavior on the 880 as it is utilizing a different proc with a different MIDI stack.