Digital Equipment VAX 4000 Model 100 Operator Instructions Manual page 72

7. Connect the other end of the power cord to the same grounded power strip
or electrical circuit.
8. Set the on/off switch on the expansion box to the on ( | ) position.
9. Set the on/off switch on the system unit to the on ( | ) position.
10. Check the system to ensure that it recognizes the connection. See
Section 4.3.5 for information on checking expansion box connections.
4–8 Hardware Options