Operating Requirements

All machines require two power inputs: one on the system unit and one on the monitor display.

The system unit comes with a voltage selector switch, allowing selection of either 115 V ac or 230 V ac. This switch must be in the 115V ac position when the machine is plugged into a 100 – 127 V ac electrical outlet, and 230 V ac position when the machine is plugged into a 200 - 240V ac electrical outlet.

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IBM 2169 manual Operating Requirements