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Chapter 1 General Description
LINK/ACT LED ( 1,
4.7.3
LINK/ACT LED on front panel indicates the status of LAN port.
LEDs
3 and
The following table lists LINK/ACT LED patterns and their explanation.
LINK/ACT LED pattern
On (green)
Flashing (green)
Off
DISK Access LED (
4.7.4
DISK Access LED indicates the status of HDDs.
The following table lists DISK Access LED patterns, their explanation, and solution.
DISK Access LED pattern
On (green)
On (amber)
Flashing green and amber
alternately.
(only when RAID system is
configured)
Off
Optical Disk Access LED
4.7.5
The LED for optical disk drive at the front of the server flashes when a CD or DVD is being accessed.
UID LED (ID)
4.7.6
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.
The following table lists UID LED patterns and their explanation.
UID LED pattern
On (blue)
Off
2,
3,
4)
4 turns on, off, or flashes when an optional LAN riser card is installed.
The server is connected with network normally.
The server is accessing network.
The server is disconnected from network.
)
Explanation
Hard disk drive is being accessed.
Hard disk drive is failing.
Rebuild is in progress.
Hard disk drive is halted.
Tips
You can turn on an LED using remote management software.
The UID switch is pressed.
The UID switch is not pressed.
Express5800/R120d-2M User's Guide
Explanation
Contact your sales representative.
Explanation
4. Names and Functions of Parts
Solution
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39
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