Rear Panel Leds And Buttons - Cisco UCS C240 M4 Installation And Service Manual
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Chapter 3
Maintaining the Server
Rear Panel LEDs and Buttons
Figure 3-2
Figure 3-2
1
2
3
4
Table 3-2
Rear Panel LEDs, Definitions of States
LED Name
1
Power supply fault
This is a summary; for advanced
power supply LED information,
see
Table
3-3.
2
Power supply status
This is a summary; for advanced
power supply LED information,
see
Table
3-3.
OL-32474-01
shows the rear panel LEDs and buttons.
Rear Panel LEDs and Buttons
PCIe 03
PCIe 02
PCIe 01
mLOM
3
Power supply fault LED
Power supply AC status LED
Optional mLOM card LEDs
(not shown, see
Table
3-2)
1-Gb Ethernet dedicated management link
speed LED
State
•
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).
AC power supplies:
•
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.
DC power supplies:
Off—There is no DC power to the power supply.
•
Green, blinking—DC power OK; DC output not enabled.
•
Green, solid—DC power OK; DC outputs OK.
•
Table 3-2
PCIe 06
PCIe 05
PCIe 04
4
5
6
7
5
1-Gb Ethernet dedicated management link
status LED
6
1-Gb Ethernet link speed LED
7
1-Gb Ethernet link status LED
8
Unit Identification button/LED
Cisco UCS C240 M4 Server Installation and Service Guide
Status LEDs and Buttons
defines the LED states.
1
2
PSU 02
PSU 01
8
3-5
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