Re: Why -48V for telephone lines, and not positive?

From: Frithiof Andreas Jensen (frithiof.jensen_at_diespammerdie.jensen.tdcadsl.dk)
Date: 12/01/04 

Date: Wed, 1 Dec 2004 12:15:48 +0100

"Winfield Hill" <hill_a@t_rowland-dotties-harvard-dot.s-edu> skrev i en
meddelelse news:coisj00l0a@drn.newsguy.com...

> Do you think they used -48V back then?

I would not be surprised if the -48V was what they arrived at by stringing
batteries together until "it worked" ;-)