[Noisebridge-discuss] 83c network up and running
Lamont Lucas
lamont at cluepon.com
Thu Oct 2 22:53:35 UTC 2008
I'm looking at my office's linksys WRT54gl wireless router, and the back
is clearly marked with a negative sign linking to the outer shielding
and the positive sign pointing to the enclosed center dot.
I don't mean to argue, I just want to save someone the trouble of
bringing the wrong wall wart.
(oh, and the one I'm looking at is 1 amp, 12 volts)
jim wrote:
> generally not in the case of the usual wall
> wart: positive is on the outside (i know there
> are exceptions, i haven't encountered them).
> for most devices, both signal and power
> connectors have their external connection as
> negative, often tied to the neutral of the
> house AC or to the house AC ground lug (more
> or less the same thing as far as most
> electrons care).
> there's probably some good design reason
> opposite orientation in wall warts.
> i am often mistaken.
> jim
>
>
>
> On Thu, 2008-10-02 at 14:25 -0700, Lamont Lucas wrote:
>
>> jim wrote:
>>
>>> what is the amperage required for the
>>> linksys 12V power supply (i'm assuming
>>> the standard wall wart with positive
>>> external, negative internal connector)?
>>>
>> uh, other way around, right? Positive internal, negative external shield?
>>
>>
>>
>
>
>
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