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Table 4. Front control panel LEDs (continued)
LED State Color Description
Blinking
Green
LAN is active and data is being transferred.
On Green
LAN is connected.
Ethernet 1
status LED
Off Off
LAN is not connected.
Blinking
Green
LAN is active and data is being transferred.
On Green
LAN is connected.
Ethernet 2
status LED
Off Off
LAN is not connected.
On Green
Power is on.
Blinking
Green The server power is under S1 mode.
Power status
LED
Off Off
Power is off.
Each hard disk drive also has two status LEDs. Status LED 1 (top) indicates presence (whether the drive is
recognized by the system) and Status LED 2 (bottom) indicates drive activity.
Table 5. Hard disk drive status LEDs for the onboard 1068E SAS RAID adapter and add-on SAS RAID adapter
congurations
Description
Hard disk drive status
LED 1
Hard disk drive status
LED 2
Hard disk drive is not present.
Off Off
Hard disk drive is present but is not active.
Off Green (for SATA hard disk
drives, the status is Off)
Hard disk drive is present and active.
Off
Blinking green
Server is in the process of locating the hard disk drive.
Blinking green
Green
Hard disk drive has failed.
Red
Green
RAID is rebuilding. Blinking red
Green
The Ethernet 1 and Ethernet 2 connectors have two status LEDs that indicate the LAN connection and
activity of the connection.
Table 6. Ethernet LEDs
LED State Color Description
On Green 10/100/1000 Mb linked
Blinking
Green 10/100/1000 Mb activity
RJ-45 linkage/activity (left)
Off Off
No LAN connection.
On
Amber 1000 Mb linked and active
On Green
100 Mb linked and active
RJ-45 speed (right)
Off Off
10 Mb mode or no LAN connection.
12 ThinkServer Installation and User Guide