On Sat, Jun 6, 2009 at 5:51 PM, Xiaofan Chen <xiaofanc@gmail.com> wrote:

> On Sun, Jun 7, 2009 at 2:44 AM, Youda He<youda@geometrysystems.com> wrote:
> >  We tested power on/off USB hub to switch cameras between capture and
> down
> > load mode using a no name hub, works great.  It does has a small delay,
> few
> > seconds (4~5 seconds), likely caused by the cap's in the hub after power
> > off, we are going to make the hub LED larger to use up the energy quickly
> > and hopefully reduce the switching time.
>
> Are you using per-port switching or totally power off the hub? If you use
> the per-port power switching, how do you do it under Windows? I know
> it can be done but I am curious how to do it. Thanks.


We do the simple way, we turn on/off power to the hub completely using
external switch.

-- Youda

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