Cisco Systems OL-26646-01 manual Rear Panel LEDs and Buttons

Chapter 3 Maintaining the Server

Status LEDs and Buttons

Rear Panel LEDs and Buttons

Figure 3-2shows the rear panel LEDs and buttons. Table 3-2defines the LED states.

Figure 3-2 Rear Panel LEDs and Buttons

		PCIe 2	PCIe 1
		PSU 1
1	2	4		6
		3	5	7

285202

		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	Rear Identification button/LED
	4		1-Gb Ethernet link status 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				• 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				•	Off—link speed is 10 Mbps.
management link speed				• Amber—link speed is 100 Mbps.
				• Green—link speed is 1 Gbps.

Cisco UCS C22 Server Installation and Service Guide

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