Re: [Motion-user] USB Cat-5 extender occasionally "freezes"

[Roman G. <rom...@gm...>]

Err, there's only 1 device that's plugged in with a normal AC power  
supply - the computer. All the USB ports are fed by the computer  
(around 250mA per port, 6 cameras).

On 28 Oct 2007, at 18:35, Aris Stathakis wrote:

>
> --- John B <yoc...@lo...> wrote:
>
>> On Sat 27 October 07 21:57, Roman Gaufman wrote:
>>
>>> Hey,
>>>
>>> I have a webcam (philips 900NC) connected to a usb
>> cat5 extender and
>>> everytime occasionally when there is a surge of
>> electricity (e.g.
>>> someone uses power tools), Motion shows a gray
>> image with "Connection
>>> to USB Camera lost"
>>
>>  Have you tried putting a surge-protector (or even
>> better, a UPS) between
>> your system and where it's plugged in at the wall
>> socket?
>>
>>  A good UPS will 'clean' the nasties from the line
>> (like that 'noise' from
>> power tools and such). It might be the easiest thing
>> to do.
>
> Do any of these devices use a DC power supply?  If so,
> replace it with a regulated power supply - it makes
> _so_ much difference.
>
> Aris
>
>
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