3-2
Cisco UCS C240 Server Installation and Service Guide
OL-25761-01
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
•
•
Rear Panel LEDs and Buttons, page 3-4
•
Internal Diagnostic LEDs, page 3-6
Front Panel LEDs
shows the front panel LEDs.
defines the LED states.
Figure 3-1
Front Panel LEDs
1
Hard drive fault LED
6
Fan status LED
2
Hard drive activity LED
7
System status LED
3
Network link activity LED
8
Identification button/LED
4
Power supply status LED
9
Power button/power status LED
5
Temperature status LED
–
Table 3-1
Front Panel LEDs, Definitions of States
LED Name
State
Hard drive fault
•
Off—The hard drive is operating properly.
•
Amber—This hard drive has failed.
•
Amber, blinking—The device is rebuilding.
Hard drive activity
•
Off—There is no hard drive in the hard drive sled (no access, no fault).
•
Green—The hard drive is ready.
•
Green, blinking—The hard drive is reading or writing data.
Network link activity
•
Off—The Ethernet link is idle.
•
Green—One or more Ethernet LOM ports are link-active, but there is no activity.
•
Green, blinking—One or more Ethernet LOM ports are link-active, with activity.
H
DD 1
H
DD 2
H
DD 3
H
DD 4
H
DD 5
H
DD 6
H
DD 7
H
DD 8
H
DD 9
H
DD 10
H
DD 11
H
DD 12
H
DD 13
H
DD 14
H
DD 15
H
DD 16
H
DD 17
H
DD 18
H
DD 19
H
DD 20
H
DD 21
H
DD 22
H
DD 23
H
DD 24
3
4
5
6
7
9
8
1
2
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