Manual

5
Front panel LED indicator status
LED indicator
LED
color
LED
state
Status
Power state
indicator
Green On S0: Power On
Green Blink (1 Hz with at
50% duty cycle)
S1: Sleep
N/A Off S4
N/A Off S5
HDD activity
indicator
Green Blink HDD access
N/A Off No access and
No HDD fault
System
status/fault
indicator
Green On System ready/No alarm
Green Blink (1 Hz with at
50% duty cycle)
System ready but some
CPU functions and DIMM
may be degraded or
damaged
Amber On Critical alarm (critical
power modules, voltage
power supply, critical
temperature and voltage
… etc. failure)
Amber Blink (1 Hz with at
50% duty cycle)
Non-critical Alarm (non-
critical temperature and
voltage)
N/A Off System not ready (POST
error/NMI event/CPU or
terminator missing, … etc.)
LAN activity
indicators
LAN1
LAN2
Green On LAN link/No access
Green Blink LAN access
N/A Off Disconnect/Idle