Rear System LAN LEDs:
No.
Name
Color
Status
Description
1
1GbE Speed
LED
Yellow
On
1 Gbps data rate
Green
On
100 Mbps data rate
N/A
Off
10 Mbps data rate
2
1GbE
Link/Activity
LED
Green
On
Link between system and
network or no access
Blink
Data transmission or receiving is
occurring
N/A
Off
No data transmission or receiving is
occurring.
Power Supply Unit LED:
State
Description
OFF
No AC power to all power supplies
0.5Hz Green Blinking
AC present / only standby on / Cold redundant mode
2Hz Green Blinking
Power supply firmware updating mode
Amber
AC cord unplugged or AC power lost; with a second power
supply in parallel still with AC input power
Power supply critical event causing shut down: failure,
OCP, OVP, fan failure and UVP
0.5Hz Amber Blinking
Power supply warning events where the power supply
continues to operate: high temp, high power, high current
and slow fan