AC-DC Unit

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The following describes an obsolete procedure or component.
An ACDCU connected to an external PSU powering a MCE subrack.

The AC-DC unit, or ACDCU, is an obsolete power supply for MCEs. It took 50-60Hz 100-240VAC mains power in and produced ±150VDC out, which was then used to power the Power-Supply Unit (PSU). It can be controlled by the digital I/O on a Sync Box.