Table 6. Ethernet LEDs
LED
RJ-45 linkage/activity (left)
RJ-45 speed (right)
12
ThinkServer Installation and User Guide
State
Color
On
Green
Blinking
Green
Off
Off
Amber
On
On
Green
Off
Off
Description
10/100/1000 Mb linked
10/100/1000 Mb activity
No LAN connection.
1000 Mb linked and active
100 Mb linked and active
10 Mb mode or no LAN connection.