From: Chris Weaver <cweaver_at_bellsouth.net>
Date: Thu, 18 Mar 2004 00:13:53 -0600

Thanks for the correction. Positive Center/Ground Sleeve is what I meant to say.
For some reason spell check failed to catch that!

-----Original Message-----
From: rockbox-bounces_at_cool.haxx.se [mailto:rockbox-bounces_at_cool.haxx.se] On Behalf Of Chris Holt
Sent: Wednesday, March 17, 2004 11:44 PM
To: Rockbox development
Subject: RE: low-tech ways to avoid polarity problems

On Wed, 17 Mar 2004 21:10:58 -0600, Chris Weaver wrote:
> It is a real shame that all coaxial power plugs couldn't be standard on
> polarity. The V2 doesn't even show voltage or polarity on
> the unit.
> IMHO the coaxial connectors should all be for low voltage DC, ground
> center, and even better would have been color coding for
> voltage!
> Who is to blame for this wall-wart mess?

ARe you sure that ground center would be good? Metal cased equipment
wouldnt' be a problem with positive current on the sleeve? I'm also
thinking that you have a much easier element to design with center
positive plugs, because the jack dosen't have to be isolated from the
case. You know like the kind with the knurled collar that screws on?

Chris

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Received on 2004-03-18