Status LEDs and Buttons
This section contains information for interpreting front, rear, and internal LED states.
Front-Panel LEDs
Front-Panel LEDs
The following illustration shows the LEDs on the server's front panel.
LED Name |
States |
|
1 |
Power button/LED () |
|
2 |
Unit identification ( |
|
3 |
System health () |
|
4 |
Power supply status () |
|
5 |
Fan status () |
|
6 |
Network link activity () |
|
7 |
Temperature status () |
|
Rear-Panel LEDs
LED Name |
States |
|
1 |
Rear Unit Identification |
|
2 |
USB 3.0 |
|
3 |
USB 3.0 |
|
4 |
1-Gb Ethernet dedicated management link speed |
|
5 |
1-Gb Ethernet dedicated management link status |
|
6 |
RJ-45 COM port | |
7 |
RJ -45 COM port | |
8 |
Power supply status (one LED each power supply unit) |
AC power supplies:
DC power supplies:
|
Internal Diagnostic LEDs
The server has internal fault LEDs for CPUs, DIMMs, and fan modules.
1 |
Fan module fault LEDs (one behind each fan connector on the motherboard)
|
3 |
DIMM fault LEDs (one behind each DIMM socket on the motherboard) These LEDs operate only when the server is in standby power mode.
|
2 |
CPU fault LEDs (one behind each CPU socket on the motherboard). These LEDs operate only when the server is in standby power mode.
|
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