Installation Guide, Third Edition - Server Expansion Unit

Chapter 4
Cabling and Power Up
Voltage Check (Additional Procedure)
79
WARNING Do not set site AC circuit breakers serving the processor cabinets to ON
before verifying that the cabinet has been wired into the site AC power
supply correctly. Failure to do so may result in injury to personnel or
damage to equipment when AC power is applied to the cabinet.
Step 9. Set the site power circuit breaker to
ON.
Step 10. Set the server power to
ON.
Step 11. Check that the indicator light on each power supply is lit.