Cisco Systems UCS C420 manual Rear-Panel LEDs and Buttons

Chapter 3 Maintaining the Server

Status LEDs and Buttons

Table 3-1	Front-Panel LEDs States (continued)
LED Name		State
Power supply status		• Green—All power supplies are operating normally.
		• Amber, steady—One or more power supplies are in a degraded operational state.
		• Amber, blinking—One or more power supplies are in a critical fault state.
Network link activity		• Off—The Ethernet link is idle.
		• Green—One or more Ethernet LOM ports are link-active.

Rear-Panel LEDs and Buttons

Figure 3-2shows the rear-panel LEDs and buttons. Table 3-2 on page 3-5defines the rear-panel LED states.

Figure 3-2 Rear-Panel LEDs and Buttons

12

PCle1

PSU1

PCle 2 PCle 3

PCle 5 PCle 6

PCle 7

PSU2

									334351
	3	4	5	6	7	8	9	10
1	Power supply status				6	10-Gb Ethernet link status
						(present only if 10-Gb VIC is installed)
2	Power supply fault				7	10-Gb Ethernet link speed
						(present only if 10-Gb VIC is installed)
3	10/100/1000 Ethernet link speed				8	1-Gb Ethernet link speed
4	10/100/1000 Ethernet link status				9	1-Gb Ethernet link status
5	System status				10	Rear identification button and LED

Cisco UCS C420 Server Installation and Service Guide

3-4 OL-27640-01