Status LEDs and Buttons
Rear Panel LEDs and Buttons
Figure 3-2
Figure 3-2
1
1
2
3
4
Table 3-2
Rear Panel LEDs, Definitions of States
LED Name
Power supply fault
Power supply AC OK
1-Gb Ethernet dedicated
management link speed
Cisco UCS C240 Server Installation and Service Guide
3-4
shows the rear panel LEDs and buttons.
Rear Panel LEDs and Buttons
PSU1
2
Power supply fault LED
Power supply AC OK LED
1-Gb Ethernet dedicated management link
status LED
1-Gb Ethernet dedicated management link
speed LED
State
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).
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.
•
Off—link speed is 10 Mbps.
•
Amber—link speed is 100 Mbps.
•
Green—link speed is 1 Gbps.
•
Table 3-2
PCIe 5
PCIe 4
PSU2
1-Gb Ethernet link speed LED
5
1-Gb Ethernet link status LED
6
Identification button/LED
7
–
Chapter 3
Maintaining the Server
defines the LED states.
PCIe 1
PCIe 2
PCIe 3
3
4
5
6
7
OL-25761-01