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Table 1-9 Port mode LED description
LED Status Description
Steady green Indicates port rate.
Flashing green (1 Hz) (supported by
PoE switches only)
Indicates port PoE power supply.
Mode
Steady yellow Indicates port duplex mode.
Seven-Segment LED
The seven-segment LED and the system status LED together indicate the operating status of the
device. For details, refer to
Table 1-10.
Table 1-10 Seven-segment LED description (1)
Status
LED
System status
LED (PWR)
Seven-segment LED
Description
Flashing green
The LED displays the specific numbers
one by one.
POST running. The LED
displays the POST test ID.
Flashing red
The LED flashes the specific numbers.
POST failed. The LED flashes
the POST test ID of the failed
test.
Flashing green
A bar rotates clockwise around the
LED.
Software loading
Steady red
The LED flashes F.
Fan failure
Steady red
The LED flashes t.
Over-temperature alarm
The LED displays C.
The current switch is the
command switch in the cluster.
The LED displays S.
The current switch is a member
switch in the cluster.
Unit
Steady green
The LED displays c.
The current switch is a
candidate switch in the cluster.