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4. Names and Functions of Parts
Express5800/R120g-2M User's Guide
33
Chapter 1 General Description
4.7.5
UID LED (ID)
UID LED is provided one each at the front and rear of the server. If you press UID Switch provided at the
front or rear of the server, the light turns on. If you press it again, the light turns off. It flashes when
commands from software are received.
This LED is used to identify the target server among multiple servers installed in a rack. Especially when
performing maintenance from behind the server, lighting the LED will help you to identify which server to
work with.
UID LED pattern
Description
On (blue)
The UID switch is pressed.
Off
The UID switch is not pressed.
4.7.6
Power Capping LED
Power Capping LED indicates enabled/disabled status of Power Capping feature as shown below.
Power Capping LED pattern
Description
On (green)
Power Capping feature is enabled.
Blinking (green)
Power Capping is enabled and power control (capping) is working.
Off
Power Capping feature is disabled.
Note
The Power Capping LED seems to be lit or blinking amber when STATUS LED is lit or
blinking amber. The amber STATUS LED indicates a hardware failure. Contact your
service representative.