GPS - Re: A portable GPS should use standard mini-USB power (but which

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Re: A portable GPS should use standard mini-USB power (but which

Ron Hunter

2007-06-04, 10:33 pm

Dominic Sexton wrote:
> In article <WuudnWk7Bqa- CsPbnZ2dnUVZ_qrinZ2d
@giganews.com>, Ron Hunter
> <rphunter@charter.net> writes
>
> And so it shouldn't if it is trying to draw more than is available...
>
>
> If you are not using a hub with its own separate power supply then the
> 500mA limit is spread between the hub and up to four additional ports at
> 100mA each. Were that not the case the port at the host would
> potentially be overloaded.
>
Quite true. When buying a port extender, it should never be used to
supply power unless it provides its own power supply.

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