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Re: Got myself a Tiger Learning Computer today



In article <168df099-8813-4e19-8529-a71adb8454f8@i13g2000yqd.googlegroups.com>,
James Littlejohn  <narguthru@yahoo.com> wrote:
>On Sep 2, 3:31�pm, BLuRry <brendan.rob...@gmail.com> wrote:
>> On Sep 2, 1:23�pm, schmidtd <schmi...@my-deja.com> wrote:
>>
>> > On Sep 2, 1:48�pm, BLuRry <brendan.rob...@gmail.com> wrote:
>>
>> > > Volt meter? �:-) �You can see the voltage reading bounce around on the
>> > > RX pin when there's data coming over. �If anything, it's the best
>> > > thing to check that you're not going to blow a serial port elsewhere.
>>
>> > One time, I had a guy tell me he just stuck his tongue against the
>> > pins to feel for it... I figure I'll use a slightly more sanitary
>> > method.
>>
>> Ah yes.. < 12 volts -- but how many amps? ;-)
>
>When the phone rings it sends 70A AC through the line.

...and that's on top of the -48VDC present when the phone's on-hook.  Plus,
ring voltage is usually closer to 90VAC.

  _/_
 / v \ Scott Alfter (remove the obvious to send mail)
(IIGS( http://alfter.us/            Top-posting!
 \_^_/ rm -rf /bin/laden            >What's the most annoying thing on Usenet?


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