5. Double-click Slot No. 1 in the "I/O map" dialog box.
The "Unit selection [Slot No. 1]" dialog box is displayed.
6. Select "Communications" for Unit type, select "SCU unit" for Unit name, and press the [OK]
button.
"SCU unit" is registered in the I/O map.
4.2 Registration in I/O Map
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