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3-4
Cisco UCS C24 Server Installation and Service Guide
OL-26647-01
Chapter 3 Maintaining the Server
Status LEDs and Buttons
Rear Panel LEDs and Buttons
Figure 3-2 shows the rear panel LEDs and buttons. Table 3-2 defines the LED states.
Figure 3-2 Rear Panel LEDs and Buttons
1 Power supply fault LED 5 10/100/1000 Ethernet dedicated management
link status LED
2 Power supply AC OK LED 6 10/100/1000 Ethernet dedicated management
link speed LED
3 1-Gb Ethernet link speed LED 7 Identification button/LED
4 1-Gb Ethernet link status LED
Ta b l e 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 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.
1-Gb Ethernet link speed Off—link speed is 10 Mbps.
Amber—link speed is 100 Mbps.
Green—link speed is 1 Gbps.
1-Gb Ethernet link status Off—No link is present.
Green—Link is active.
Green, blinking—Traffic is present on the active link.
10/100/1000 Ethernet dedicated
management link speed
Off—link speed is 10 Mbps.
Amber—link speed is 100 Mbps.
Green—link speed is 1 Gbps.
285244
PSU 2
PCIe 4
PCIe 3 PCIe 1
PCIe 2
PCIe 5
PSU 1
PSU 1PSU 1
1
2
3
4
5
6
7