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OTG Cable issue

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Junior Member - OP
Thanks Meter 0
Posts: 1
Join Date: Apr 2014
Default OTG Cable issue

I've got a nexus 7 that I'm installing into a dash. I've bought an OTG Y-cable with power and a rosewill externally powered USB hub. I'm running USB-rom on the nexus 7. I plug everything in, power to the Y cable, power to the USB hub, and hub to the tablet. When I unplug the power from the USB hub it still remains powered on by either the tablet or the incoming power to the Y-cable. Is it possible the Y-cable isn't correctly wired for this setup?
Senior Member
Thanks Meter 42
Posts: 210
Join Date: Jan 2012
There's a wiring diagram at in with the pictures of an installation. AFAIK a USB hub will only get power via a dedicated socket and/or the host usb connection so if you've got a hub that accepts power from either source and there is a power source connected to the y cable then the dedicated hub power supply is redundant?????
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