Intel® Server Board S2600CW Family TPS  Intel® Server Board S2600CW Functional Architecture 
Revision 2.4     
Each Ethernet port drives two LEDs located on each network interface connector. The LED at 
the left of the connector is the link/activity LED and indicates network connection when on, 
and transmit/receive activity when blinking. The LED at the right of the connector indicates 
link speed as defined in the following table. 
Table 7. External RJ45 NIC Port LED Definition 
3
rd
 Fastest (100 Mbps for X540) 
2
nd
 Fastest (1 Gbps for X540) 
Fastest (10 Gbps for X540) 
Transmit/Receive activity