> https://vintagecomputer.net/digital/PDP11-40/PDP11-40_DC-pwr-supplies.jpg
That brings up a question that's rattled around my mind: On a 745 it's rated to supply -15 volts at 10a, but it has two of the lines designated as "+15 in". Where did the +15 come from, the other supplies put out +20, +5, and -5?
Or does it put out +15 and -15 from the 20 volt AC input? C
