I am trying to use a 50 ft active usb extension cable with my Cerbo GX to use with a USB to ve direct for a solar controller. The Cerbo does not see the solar controller with the usb extension. Is a powered hub required to use an active usb extension?
50 ft is way beyond the recommended maximum distances for usb (and VEDirect). Even with a powered hub. Something like a Cat5 usb extender might do it, but the real cure is to move the solar controller closer to the GX. Solar power cables don’t have comms issues, just a little resistance loss if they’re undersized.
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You could also extend the ve direct side, not the usb side, 50ft (15m) should not be a problem
Use good quality cable for it