39
Status
LED
System status
LED (SYS)
Seven-segment (Unit) LED
Description
The LED displays a capital C
character.
The switch is the command switch in
a cluster.
The LED displays an S character.
The switch is a member switch in a
cluster.
The LED displays a lowercase c
character.
The switch is a candidate switch for
a cluster.
Steady green
The LED displays a number.
The member ID of the switch.
10/100Base-TX Ethernet port LED
Each 10/100Base-TX auto-sensing Ethernet 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 14 10/100Base-TX auto-sensing Ethernet port LED description
Status
Port mode LED Port status LED
Description
Steady green
The port is operating at 100 Mbps. The port status LED fast
flashes when the port is sending or receiving data.
Steady yellow
The port is operating at 10 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.
Steady green (rate
mode)
Off No link is present on the port.
Steady green
The port is operating in full duplex mode. The port status
LED fast flashes when the port is sending or receiving data.