Dell PowerEdge 6600 - Manual (Page 19)

Power-Supply Indicator Codes
Each hot-pluggable power supply has three indicators that can provide information on power status, fault, and the presence of AC power (see Figure 2 -5 ).
Table 2 -3 lists the power-supply indicator codes.
Figure 2-5. Power-Supply Indicators
NIC Indicator Codes
Each NIC has an indicator that provides information on network activity and link status (see Figure 2 -6 ). Table 2 -4 lists the NIC indicator codes.
Figure 2-6. NIC Indicators
Blinks green twice per second at equal intervals Drive being prepared for removal
Blinks green twice per second at unequal intervals Drive rebuilding
Blinks amber four times per second Drive failed
Blinks green, then amber, and then off, repeating this sequence every two seconds Predicted failure for the drive
Steady green Drive online
NOTE: The drive busy indicator identifies whether the hard drive is active on the SCSI bus. This indicator is controlled by the hard drive.
Table 2-3. Power-Supply Indicator Codes
Indicator Indicator Code
Power-on Green indicates that the power supply is operational.
Fault Red indicates a problem with the power supply (fan failure, voltage error, etc.).
AC present Green indicates that AC power is present at the power supply and that the system is connected to an AC source.
Table 2-4. NIC Indicator Codes
Indicator Indicator Code
Off The NIC is not connected to the network.
Green The NIC is connected to a valid link partner.
Amber blinking Network data is being sent or received.