3-3
Chapter 3 System Interface
Power:
Indicates power is being supplied to the system's power supply units. This
LED should normally be illuminated when the system is operating.
HDD:
Indicates IDE channel activity. SAS/SATA drive, SCSI drive, and/or DVD-
ROM drive activity when flashing.
NIC1:
Indicates network activity on GLAN1 when flashing.
NIC2:
Indicates network activity on GLAN2 when flashing.
1
2
!
Power Failure:
When this LED flashes, it indicates a failure in the power supply.