Chapter 2: Installing the Chassis
Power On/Power Off
QX and QXS Setup Guide 92
Figure89:AC power supply with power switch
1. ACpowerswitch
2. ACpowercordconnect
Note:See Electrical Requirements on page 195 for additional information.
AC Model
1. Verify that the chassis power switches are in the Off position.
2. Identify the power cord connector on the power supply, and locate the target power source.
3. Using the AC power cords provided, plug one end of the cord into the power cord connector on the
power supply. Plug the other end of the power cord into the rack power source.
4. Verify connection of primary power cords from the rack to separate external power sources.
Power Cycle
Topoweronthesystem:
1. Power up the expansion chassis by pressing the power switches at the rear of each unit to the On
position. Allow several seconds for drives to spin up (HDDs).
2. Power up the RAID chassis next by pressing the power switches at the rear of the unit to the On
position.
Topoweroffthesystem:
1. Stop all I/O from hosts to the system (see Stopping I/O on page 132).
2. Shut down both controllers using either method described below: