[mythtv-users] USB Hub Bandwidth limitations?

Wed Jul 8 01:32:51 UTC 2009

Lindsay Mathieson wrote:
> On Tue, 7 Jul 2009 18:53:56 -0600, Brian Wood <beww at beww.org> wrote:
> 
>>> Additionally I guess the hub would need to be powered? or could an
>>> unpowered hub support 4 HD tuners?
>> I'd think that as long as the tuners are self-powered (not drawing power
>> from 
>> the USB port), you would not need a powered hub, but it couldn't hurt.
> 
> Interesting - is there anyway to tell if a device is self powered?
> 

If it has to be plugged into the wall, it's self-powered.