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MIDI routing to >2 destinations breaks sysex transfer
#1
I tried a simple test today of routing a one-way sysex bank dump though the MRCC (MIDI In 1 to MIDI Out 5) to a Roland D-550.

The bank was being sent from a PC using Bome SendSX software, routed out the MIDI DIN port of a RME UFX II -> MRCC In 1.
MRCC MIDI out 5 was cabled to the D-550.

The bank dump was transmitted successfully when MIDI IN 1 was routed just to out 5. It It also worked when it was routed to outs 5 and 6.

But, if I route MIDI In 1 to three outputs, (5, 6 & 7), the bank receive on the D-550 will fail with a 'MIDI communication error' message on the D-550 screen. The other synths on outputs 6 & 7 were turned off.

Obviously this is early testing with just one receiving device. But, this leads me to believe that the MRCC is possibly unable to reliably route sysex simultaneously to more than two output destinations. 

If this is true, it is going to make me have to use many work arounds, and possibly be quite limiting on how I use different sysex librarians and editors, whether on PC, Patchbase on Ipad routed through PC rptMIDI, or from my Electra One. I have around ten hardware synths that need to be controlled, many from multiple sources.

One answer is to use a PC virtual MIDI cable for each controller/synth combo, but this increases the complexity of my set-up a lot, and will be a pain to set up.

Has anyone else here experienced unreliable sysex when routing through the MRCC to more more than one or two outputs?
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MIDI routing to >2 destinations breaks sysex transfer - by Red_Hector - 07-23-2024, 02:27 PM

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