Dell EMC PowerEdge R340 - Removing a Power Supply Unit Blank; Installing a Power Supply Unit Blank

• If the load on the active PSU is more than 50 percent, then the redundant PSU is switched to the active state.
• If the load on the active PSU falls below 20 percent, then the redundant PSU is switched to the sleep state.
You can configure the hot spare feature by using the iDRAC settings. For more information about iDRAC settings, see the Integrated Dell
Remote Access Controller User’s Guide available at Dell.com/idracmanuals.
Removing a power supply unit blank
Prerequisites
1. Follow the safety guidelines listed in Safety instructions.
Steps
Pull the blank out of the system.
CAUTION: To ensure proper system cooling, the power supply unit blank must be installed in the second power supply
unit bay in a non-redundant configuration. Remove the power supply unit blank only if you are installing a second power
supply unit.
Figure 68. Removing a power supply unit blank
Next steps
1. Replace the power supply blank or install the power supply unit.
Installing a power supply unit blank
Prerequisites
1. Follow the safety guidelines listed in Safety instructions.
NOTE:
Install the power supply unit (PSU) blank only in the second PSU bay.
2. Remove the PSU.
Steps
Align the PSU blank with the PSU bay and push it into the PSU bay until it clicks into place.
Figure 69. Installing a power supply unit blank
PowerEdge R340 installing and removing system components
83