| | Re: "Unauthorized charger" peeve
On 2010-02-24, Larry <email@example.com> wrote:
> Dennis Ferguson <firstname.lastname@example.org> wrote in
To put the context back...
>>On 2010-02-24, Larry <email@example.com> wrote:
>>> GeorgeB <firstname.lastname@example.org> wrote in
>>>> 3 years ago, I thought 5V USB was USB was USB ... now I know better.
>>>> Who makes a breakout box with meter testpoints for the 11 total pins?
>>>> I say 11 for the HTC which has others for audio and the headset
>>> USB only has 5 connections. Motorola's *******ization is really for our
>>> own good. I don't think I've ever seen a breakout box, but I'm sure
>>> they exist.
>> Micro USB OTG connectors (or Micro-AB connectors) have 11 pins. One
>> set of pins is used when the device is acting as a host, with an 'A'
>> connector plugged in, the other is used when the device is acting as a
>> peripheral, with a 'B' connector plugged in. My Nokia 6700 has one,
>> which is how the USB port works with both my computer (which the phone
>> charges from) and a USB headset (which the phone provides power to).
>> The Nokia N810 also has one.
>> There are also Mini-AB connectors, which do the same thing but
>> only have 5 pins. I don't know how those work.
> Oh, sorry, we were discussing USB connectors on Motorola phones, which
> are mini connectors.
The poster you replied to above was talking about an HTC phone,
which indeed has an 11 pin USB connector.
Also, starting with the V8 and V9 about 3 years ago, I think pretty
much every phone Motorola has introduced since has had a micro USB
connector as well. And there's an actual USB standard for detecting
chargers with micro connectors, so I think any Motorola phone with a
micro connector can be charged with any charger you can physically
plug in. It is only older Motorola phones which are finicky about