User's Guide

4. Names and Functions of Parts
Express5800/R120f-2M User's Guide
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Chapter 1 General Description
4.7.3
LINK/ACT LED ( 1, 2, 3, 4)
LINK/ACT LED on front panel indicates the status of LAN port.
LEDs
3 and 4 turns on, off, or flashes when an optional LAN riser card is installed.
LINK/ACT LED pattern
Description
On (green)
The server is connected with network normally.
Flashing (green)
The server is accessing network.
Off
The server is disconnected from network.
4.7.4
Optical Disk Drive Access LED (option)
The LED for optical disk drive at the front of the server flashes when a CD or DVD is being accessed.
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 PowerCapping feature as shown below.
Power Capping LED pattern
Description
On (green)
Power Capping feature is enabled.
Flashing (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 flashing amber when STATUS LED is lit or
flashing amber. The amber STATUS
LED indicates a hardware failure. Contact your
service representative.