Re: Why -48V for telephone lines, and not positive?
From: Winfield Hill (hill_a_at_t_rowland-dotties-harvard-dot.s-edu)
Date: 11/30/04
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Date: 30 Nov 2004 14:35:12 -0800
JeffM wrote...
>
>> when this stuff was invented
>
> Yup. Stroger Switches were invented in 1884--by an undertaker.
Do you think they used -48V back then?
--
Thanks,
- Win
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