Allied Telesis SwitchBlade x8112 - Manual (Page 174)

Chapter 7: Powering On the Chassis
174
7. With a #2 Phillips-head screwdriver, tighten the handle locking screw
to secure the power supply to the chassis. See Figure 117 on page
164.
8. Before attaching the power wires from the power supply to the circuit
breaker in the wiring closet, check that the circuit breaker is off.
9. Connect the power wires to the circuit breaker.
10. Turn the circuit breaker on.
11. Turn the On/Off switch on the power supply to the On position. See
Figure 111 on page 158.
12. Do one of the following:
 If the chassis has two AT-SBxPWRSYS1 DC Power Supplies,
repeat this procedure to power on the second power supply.
 Otherwise, go to “Monitoring the Initialization Process” on
page 175.