If you so doom and gloom try this... WE aka BELL bought
vaxen
that ran off 48V... Always wanted one of those BA213s. the
I have some 48-57 vdc input, otherwise PC normal output power supplies for
about $5 each. Ask now if anybody wants some, basically I "think" new units
from Computer Products for Newbridge telecomm stuff,
but I have eight cases
of them and I am getting sick of the space they use. Location
socal,
shipping extra.