3-4
Cisco UCS C240 Server Installation and Service Guide
OL-25761-01
Chapter 3 Maintaining the Server
Status LEDs and Buttons
Rear Panel LEDs and Buttons
shows the rear panel LEDs and buttons.
defines the LED states.
Figure 3-2
Rear Panel LEDs and Buttons
1
Power supply fault LED
5
1-Gb Ethernet link speed LED
2
Power supply AC OK LED
6
1-Gb Ethernet link status LED
3
1-Gb Ethernet dedicated management link
status LED
7
Identification button/LED
4
1-Gb Ethernet dedicated management link
speed LED
–
Table 3-2
Rear Panel LEDs, Definitions of States
LED Name
State
Power supply fault
•
Off—The power supply is operating normally.
•
Amber, blinking—An event warning threshold has been reached, but the power
supply continues to operate.
•
Amber, solid—A critical fault threshold has been reached, causing the power
supply to shut down (for example, a fan failure or an over-temperature condition).
Power supply AC OK
AC power supplies:
•
Off—There is no AC power to the power supply.
•
Green, blinking—AC power OK, DC output not enabled.
•
Green, solid—AC power OK, DC outputs OK.
DC power supplies:
•
Off—There is no DC power to the power supply.
•
Green, blinking—DC power OK, DC output not enabled.
•
Green, solid—DC power OK, DC outputs OK.
1-Gb Ethernet dedicated
management link speed
•
Off—link speed is 10 Mbps.
•
Amber—link speed is 100 Mbps.
•
Green—link speed is 1 Gbps.
PSU1
PSU2
PCIe 1
PCIe 2
PCIe 3
PCIe 4
PCIe 5
3
4
5
6
1
2
7
331829