Behavior
Color
LED Label
No.
Blink frequency indicates
port speed:
1 blink - 10 Mbps link
speed
2 blink - 100 Mbps link
speed
3 blink - 1000 Mbps link
speed
Blinking green
WAN port speed LED
8
Ethernet cable present and
link established
Green
WAN port link LED
9
Indicates SFP module
detected
Green
WAN port SFP enable
LED
10
Indicates SFP is not
detected or at fault
Amber
Blink frequency indicates
port speed:
3 blink - 1000 Mbps link
speed
Blinking green
WAN port SFP speed
LED
11
HDD present
Green
HDD status LED
12
HDD is in rebuilt state.
Blinking green
HDD is in a fault state
Amber
HDD is in a PFA alert
state
Blinking amber
The hard drive is reading
or writing data.
Blinking green
HDD activity LED
13
Cisco 5400 Enterprise Network Compute System Hardware Installation Guide
10
Overview of the Cisco 5400 Enterprise Network Compute System
Hardware Features - Standard