User`s manual

10 Setting up the System
Descriptions of the front panel LEDs are listed in the following table.
Table 2. Front Panel LED Description
LED Name Color Condition Description
Power/Sleep LED Green
ON Power On
Green
BLINK Standby/Sleep (S1)
OFF Off (also Sleep S4)
Status Green
ON System Ready
Green
BLINK System ready, but degraded: some CPU fault, DIMM killed
Amber ON Critical alarm: Critical power module failure, critical fan
failure, voltage (power supply), voltage and thermal fault
Amber BLINK Non-critical failure: Redundant fan failure, redundant power
failure, non-critical power and voltage
OFF System not ready: Post error / NMI event / PCI or terminator
missing
Hard Drive
Activity
Green
BLINK Hard drive activity
Amber ON Fault
OFF No activity
NIC 1 Activity Green
ON Linked
Green
BLINK LAN activity
OFF Idle
NIC 2 Activity Green
ON Linked
Green
BLINK LAN activity
OFF Idle
ID LED (rack
only)
Blue BLINK Server identification; Toggled by ID button or software
OFF Server identification; Toggled by ID button or software