Cisco Systems OL-26646-01 manual Status LEDs and Buttons, Front Panel LEDs

Chapter 3 Maintaining the Server

Status LEDs and Buttons

Status LEDs and Buttons

This section describes the location and meaning of LEDs and buttons and includes the following topics:

•Front Panel LEDs, page 3-2

•Rear Panel LEDs and Buttons, page 3-4

Front Panel LEDs

Figure 3-1shows the front panel LEDs. Table 3-1defines the LED states.

Figure 3-1				Front Panel LEDs
1	2	3	4	5	6	7	8	9

		HDD01	HDD02	HDD03	333247
HDD04	HDD05	HDD06	HDD07	HDD08

1	Power button/Power status LED	6	Power supply status LED
2	Identification button/LED	7	Network link activity LED
3	System status LED	8	Hard drive fault LED
4	Fan status LED	9	Hard drive activity LED
5	Temperature status LED		–

Table 3-1	Front Panel LEDs, Definitions of States
LED Name		State
Power button/Power status LED		• Off—There is no AC power to the server.

•Amber—The server is in standby power mode. Power is supplied only to the Cisco IMC and some motherboard functions.

•Green—The server is in main power mode. Power is supplied to all server components.

Identification • Off—The Identification LED is not in use.

•Blue—The Identification LED is activated.

Cisco UCS C22 Server Installation and Service Guide

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