Power Supply Module Features And Indicators 
NOTE: Your storage array is shipped with two IEC C19 to C20 jumper cords. Connect the C19 plug 
to the array's power supplies and the C20 plug to the power distribution unit (PDU) in the rack 
cabinet.
Figure 6. Power Supply Module Features and Status Indicators
Item Indicator or Connector Icon Description
1 Power connector Connect the external power supply source to this 
connector.
2 Power switch The power switch controls the power supply 
output to the system.
3 Standby power indicator The standby power indicator lights green when the 
system is in standby mode and the main power is 
off.
4 DC power indicator
Green Indicates that DC output 
voltage is within the limit.
Off Indicates that DC output 
voltage is not within the 
limit.
5 Service action allowed 
indicator
CAUTION: Remove the power supply module 
from the system only if the service action 
allowed indicator lights blue. Removing the 
power supply module from the system when 
the service action allowed indicator is off 
may damage the system.
Blue Indicates that you can safely 
remove the power supply 
module from the system.
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