Dell PowerEdge C4140 EMC Installation and Service Manual - Page 126

Installing a power supply unit, System board, Removing the system board

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Installing a power supply unit Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 57. 2. For systems that support redundant PSU, ensure that both the PSUs are of the same type and have the same maximum output power. NOTE: The maximum output power (shown in watts) is listed on the PSU label. Steps Slide the PSU into the system until the PSU is fully seated and the release latch snaps into place. Figure 100. Installing a power supply unit Next steps 1. Connect the power cable to the PSU, and plug the cable into a power outlet. CAUTION: When connecting the power cable to the PSU, secure the cable to the PSU with the strap. NOTE: When installing, hot swapping, or hot adding a new PSU, wait for 15 seconds for the system to recognize the PSU and determine its status. The PSU redundancy may not occur until discovery is complete. Wait until the new PSU is discovered and enabled before you remove the other PSU. The PSU status indicator turns green to signify that the PSU is functioning properly. System board Removing the system board Prerequisites CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this system board, you must supply the recovery key when you restart your system or program before you can access the encrypted data on your drives. 126 PowerEdge C4140 installing and removing system components

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Installing a power supply unit
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 57.
2.
For systems that support redundant PSU, ensure that both the PSUs are of the same type and have the same maximum output
power.
NOTE:
The maximum output power (shown in watts) is listed on the PSU label.
Steps
Slide the PSU into the system until the PSU is fully seated and the release latch snaps into place.
Figure 100. Installing a power supply unit
Next steps
1.
Connect the power cable to the PSU, and plug the cable into a power outlet.
CAUTION:
When connecting the power cable to the PSU, secure the cable to the PSU with the strap.
NOTE:
When installing, hot swapping, or hot adding a new PSU, wait for 15 seconds for the system to recognize the
PSU and determine its status. The PSU redundancy may not occur until discovery is complete. Wait until the new
PSU is discovered and enabled before you remove the other PSU. The PSU status indicator turns green to signify
that the PSU is functioning properly.
System board
Removing the system board
Prerequisites
CAUTION:
If you are using the Trusted Platform Module (TPM) with an encryption key, you may be prompted to create
a recovery key during program or System Setup. Be sure to create and safely store this recovery key. If you replace this
system board, you must supply the recovery key when you restart your system or program before you can access the
encrypted data on your drives.
126
PowerEdge C4140 installing and removing system components