1000Base-T Ethernet port LED 
The 1000Base-T Ethernet ports are PoE incapable and work only at 1000 Mbps in full duplex mode. 
Their port LEDs are irrelevant to the port mode LED.  
Table 20 1000Base-T Ethernet port LED description 
Port status LED  Descri
Steady green 
The port is operating at 1000 Mbps in full duplex mode. The port LED fast flashes 
when the port is sending or receiving data. 
Flashing yellow (3 Hz)  POST has failed on the port. 
Off  No link is present on the port. 
 
100Base-X SFP port LED 
Each 100Base-X SFP port has a status LED to show port operating status and activities. The port mode 
LED shows the type of port status information (for example, port rate or duplex mode) that the port status 
LEDs are showing. You can use the port status LED mode switching button to change the type of displayed 
port information. 
Table 21 100Base-X SFP port LED description 
Status 
Description 
Port mode LED  Port status LED
Steady green (rate 
mode) 
Steady green 
The port is operating at 100 Mbps. The port status LED fast 
flashes when the port is sending or receiving data. 
Flashing yellow (3 Hz)
POST has failed on the port. 
Off  No link is present on the port. 
Steady yellow 
(duplex mode) 
Steady green 
The port is operating in full duplex mode. The port status LED 
fast flashes when the port is sending or receiving data. 
Flashing yellow (3 Hz)
POST has failed on the port. 
Off  No link is present on the port. 
 
1000Base-X SFP port LED 
Each 1000Base-X SFP port has a status LED to show port operating status and activities. The port mode 
LED shows the type of port status information (for example, port rate or duplex mode) that the port status 
LEDs are showing. You can use the port status LED mode switching button to change the type of displayed 
port information. 
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