From the manual:
"Important: At least one of the power sources must be of positive
polarity – the current revision of the RackInjector control board needs
at least one positive voltage in order to operate. If multiple positive
power sources are available, it will pull power from the input with the
highest voltage."
Should I take that to mean a negative terminal needs to connect to
ground for some reason?
I intend to connect a rectifier (-48V) and Meanwell RSD converters to
other voltages. The RSD's don't have a ground reference on the output
side if I recall correctly. I can add a connection from neg to ground
on the 24V converter, but is that really what they mean by positive
polarity?
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