62
System status LED
(SYS) status
Seven-segment LED (Unit) status
Description
Flashing red
The LED displays flashing numbers.
POST has failed, and the LED flashes
the ID of the failed test item.
Flashing green
A bar rotates clockwise around the LED.
Software is loading.
Steady red
The LED displays a flashing
F
character.
The switch is experiencing a fan
failure.
Steady red
The LED displays a flashing
t
character.
The switch is in an over-temperature
condition.
Steady green
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.
The LED displays a number.
The member ID of the switch.
10/100/1000Base-T Ethernet port LED
Each 10/100/1000Base-T auto-sensing Ethernet port has a status LED to show port operating status and
activities. The port mode LED indicates the type of port status information (for example, port rate or
duplex mode) that the port LEDs are showing. You can use the port LED mode switching button to change
the type of displayed port information.
Table 17
10/100/1000Base-T Ethernet port LED description
Port mode LED
(MODE/Mode)
status
Port LED status
Description
Steady green (rate
mode)
Steady green
The port is operating at 1000 Mbps. The port LED fast flashes
when the port is sending or receiving data.
Steady yellow
The port is operating at 10/100 Mbps. The port LED fast
flashes when the port is sending or receiving data.
