must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by Dell
is not covered by your warranty. Read and follow all safety instructions that came with the product.
The DC power supply module must be hard-wired to a DC power source in your environment by a qualified electrician. To wire your DC
power supply module to a DC power source:
1. Make sure that the power switch is in the OFF position, and the power supply module is turned off.
2. Connect the open terminal (bare wire ends) to an appropriate DC power source.
As specified in the following table:
• Connect each wire on power cable to the matching wire or terminal on DC power source.
• Each wire on the power cable is labeled with information for easy identification.
Figure 18. Dc power cable d-shell connector and terminals
Pin
Description Wire Color Wire Size
1 48V DC Safety Ground (F or G) Green or Yellow 10 AWG
2 –48V DC Return (+) Blue 10 AWG
3 –48V DC (–) Black 10 AWG
Connecting the power cable to the power supply module
1. Make sure that the power switch is in the OFF mode before connecting the DC power cable.
2. Connect the DC power supply cable to the power supply module by plugging the power cables into the matching power supply module
plug connector.
3. Secure the power cables to the power supply module by fastening the power cables firmly to the system using the attached (trapped)
finger screws.
4. Install the screws to the corresponding screw holes on the system and tighten until the power connector is firmly held in place.
Installing enclosure components
21
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