Dell PowerEdge R220 - Manual (Page 4)

The connectors on the back of your system have icons indicating the type of cable to be plugged into each connector.
Be sure to tighten the screws (if any) on the monitor's cable connector.
Connecting The Power Cable
Figure 3. Connecting the Power Cable
Connect the system’s power cable to the system and, if a monitor is used, connect the monitor’s power cable to the
monitor.
Securing The Power Cable
Figure 4. Securing the Power Cable
Bend the system power cable and secure the cable in the retention clip.
Plug the other end of the power cable into a grounded electrical outlet or a separate power source such as an
uninterruptible power supply (UPS) or a power distribution unit (PDU).
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