Multiplus-II not visible on CerboGX

Q&A and troubleshooting
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1

System has

  1. Skylla charger connected via VE.CAN, 250 kb/s, terminators in place
  2. Multiplus-II 12/3000/120-50 120V connected via VE.Bus to Cerbo GX thence to Digital Multi-control
  3. multiple shunts with VE.Direct cables

Cable from Multiplus to Cerbo seems good, as tested with MK3-USB adapter to set configuration. Updated Multiplus firmware today. Cerbo firmware is current.

If I disconnect the Digital Multi Control, the Multiplus will briefly connect. With the Multi Control connected, the Cerbo says Multiplus is disconnected.

Can I connect the Multi Control and Multiplus and see it on the Cerbo? How to do this??

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2

My DMC is connected with a direct cable from the MP, the MP powers the DMC.

I’m not sure a Cerbo can power the DMC over the VE.bus cable.