Hi,

> our research group is involved in building a large sensor node testbed, and
> we need to control the power supply of a number of USB devices by turning
> on/off the supply of the ports on the hub they are connected to. The hubs
> that we are using are DUB-H4, a self-powered 4-port USB 2.0 hub branded as
> D-Link, using a Genesys Logic controller.

this looks interesting, I could use it to save energy on unneeded equipment. 
Could you post the source or a url of the code you use to switch the ports on 
and off?

Kind regards,

Gerd


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