I have a Surface tablet. And I need to get it's USB signal about 10' away.
Here's what I've tried:
- An active hub 5' away, and that doesn't work. Apparently the tablet doesn't put enough power on the USB to supply the hub 5' away.
- An active hub next to the tablet and another 5' away. Same problem, cause again the laptop is the power source and doesn't provide enough power to supply the hub 5' away.
- I've switched both hubs for externally powered hubs, but it turns out that the external power was only for charging things when the hub wasn't plugged into a source.
All I really need here is an externally powered active hub. I want it to use it's own power not the source power to repeat the signal. (And I want to not have to buy 4 more hubs to achieve this.) Does such a thing exist?
It appears that this is also a problem for the Raspberry Pi. Where the power on the USB is insufficient to drive some devices/devices that are far away. It appears a significant enough issue that modifying a hub was considered a good solution: http://hackaday.com/2013/05/25/add-external-power-to-any-usb-hub/
As I understand it there are hubs that supplement the power over the USB correctly. Perhaps all I need here is the right powered hub.