Cisco UCS C240 User Manual

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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
• Front Panel LEDs, page 3-2
• Rear Panel LEDs and Buttons, page 3-4
• Internal Diagnostic LEDs, page 3-6
Front Panel LEDs
Figure 3-1 shows the front panel LEDs. Table 3-1 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.
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Cisco UCS C240 Specifications

General

Management	Cisco Integrated Management Controller (CIMC)
Form Factor	2U Rack
Memory	Up to 3TB DDR4
Storage	Up to 24 x 2.5-inch or 12 x 3.5-inch SAS/SATA HDDs or SSDs
Power Supply	Redundant hot-swappable power supplies (various wattage options)