Dell PowerEdge C5220 - Manual (Page 14)

14 About Your System
Figure 1-5. 1Gb Mezzanine Indicators (Rotated Counterclockwise 90°)
Item Feature Status Description
1, 3 LAN activity LED Off No activity
2, 4 LAN link LED Off No link
LAN link LED
LAN activity LED Green
Off Link
No activity
LAN link LED
LAN activity LED Blinking green
Off Link
Activity 10 Mb
LAN link LED
LAN activity LED Blinking green
Green Link
Activity 100 Mb
LAN link LED
LAN activity LED Blinking green
Orange Link
Activity 1 Gb
1 2 3 4