40
Procedures
AC PSU
Enclosures configured with AC PSUs that do not have a power switch rely on the power cord for power
cycling. Connecting the cord from the PSU power cord connector to the appropriate power source
facilitates power on; whereas disconnecting the cord from the power source facilitates power off.
Figure 21
AC PSU
Powering off the PSU
1.
Stop all I/O from hosts to the enclosure (see
TIP:
This step is
not
required for hot-swapping; however, it is required when replacing both PSUs.
2.
Use management software to shut down any other system components necessary.
Given that power switch shut-off does not apply to this particular power supply model, proceed to
disconnecting the AC power cord.
TIP:
This step is
not
required for hot-swapping; however, it is required when replacing both PSUs.
Given that power switch shut-off does not apply to this particular power supply model, proceed to
disconnecting the AC power cord.
Disconnecting an AC power cord
1.
Disconnect the power cord’s male plug from the power source.
2.
Disconnect the power cord’s female plug from the power cord connector on the PSU.
NOTE:
on page 44 for an illustration showing AC power cord
connection/disconnection.
Power cord connect
