5. Names and Functions of Components
Chapter 1 General Description
5.6 LED Indications
This section explains the indication and meanings of the server LEDs.
5.6.1
SYSTEM POWER LED ( )
SYSTEM POWER LED indicates power ON/OFF status of the server.
The following table lists SYSTEM POWER LED patterns and their explanation.
The server is powered on and operating normally.
On (amber) BMC is being initialized.
When the power cable is connected, the LED lights amber for 40 seconds.
Do not power on the server while the LED is lit amber.
The server can be powered on after the amber LED is unlit.
Off The server is off-powered.
The server is in halt status.
5.6.2
UID LED
UID LED is provided one each at the front and rear of the server. If you press UID Switch at the front or rear of
the server, the LED lights. If you press it again, the LED goes off. It blinks 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.
The following table lists UID LED patterns and their explanation.
The UID switch is pressed.
The UID switch is not pressed.
You can let an LED to light using remote management software.
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
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