Dell PowerEdge 1750 - Manual (Page 23)

l For PCI card information, see " Installing Expansion Cards " in "Installing System Options."
Figure 2-4. Back-Panel Features and Indicators
Power Supply Features
Each hot-pluggable power supply has three indicators, visible when the system covers are open, that indicate whether power is present or whether a power
fault has occurred. See Table 2 -4 for more information about the indicators. See " Opening the System Covers " in "Troubleshooting Your System" for
information about accessing the inside of the system.
Figure 2-5. Power Supply Features
Table 2-4. Power-Supply Indicator Patterns
System Messages
NOTE: Connect the power cable to connector PS1 if your system only has one power supply. See Figure 2 -4 .
Indicator Indicator Code
Line status Green indicates that a valid power source is connected to the system.
Power-supply fault Red indicates a problem with the power supply.
Power-supply status Green indicates that the power supply is operational.