47 
LEDs 
System status LED 
The system status LED shows the operating state of the switch.  
Table 21 System status LED description 
SYS 
Steady green  The switch is operating correctly. 
Flashing green (1 Hz)  The switch is performing power-on self test (POST). 
Steady red  The switch has failed the POST or is faulty. 
Flashing yellow (1 Hz)  Some ports have failed to pass POST or are faulty. 
Off  The switch is powered off. 
 
Management Ethernet port LEDs 
The switch provides one LINK LED and one ACT LED for each management Ethernet port.  
Table 22 Management Ethernet port LEDs description 
LINK 
Off  The management Ethernet port is not connected. 
Steady green  The management Ethernet port is operating at 10/100/1000 Mbps. 
ACT 
Off  The management Ethernet port is not receiving or sending data. 
Flashing yellow  The management Ethernet port is sending or receiving data. 
 
10/100/1000BASE-T autosensing Ethernet port LED 
Table 23 10/100/1000BASE-T autosensing Ethernet port LED description 
10/100/1000BASE-T 
autosensing Ethernet 
Description 
Steady green  A link is present on the port and the port is operating at 1000 Mbps.  
Flashing green  The port is sending or receiving data at 1000 Mbps 
Steady yellow  A link is present on the port and the port is operating at 10/100 Mbps.  
Flashing yellow  The port is sending or receiving data at 10/100 Mbps 
Off  No link is present on the port.