Scenario 2 Connecting a DC power cable 
Complete view of the DC power cables  
 
When you connect DC power cables, ensure that the black cable leading from the anode of the DC power 
source connects to the RTN (+) terminal and that the blue cable leading from the cathode of the DC power 
source connects to the NEG (-) terminal. 
Disk enclosure 
Controller enclosure 
DC PDU 
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