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1.4.1. LED Behavior at Start-up
Upon turning this Switching Hub on, all LEDs tentatively light up. Then, the self-diagnosis
of hardware is executed. Upon finishing the diagnosis, power LED and status/ECO mode LED
light in solid green. Then, the Switching Hub starts working.
1.4.2. LED Behavior while Operating
This Switching Hub has a set of LEDs for each port. These LEDs indicate the operation status
of each port.
System LED
LED
POWER LED
(Power)
ANY COL. LED
(Collision)
STATUS/ECO LED
(Status/Eco mode)
GIGA LED
(GIGA mode)
100M LED
(Speed mode)
FULL LED
(DUPLEX mode)
LOOP HISTORY LED
(Loop History mode)
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Behavior
Green Light
Off
Orange Light
Off
Green Light
Green Blink
Off
Green Light
Green Light
Green Light
Green Light
Green Blink
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Description
Power is ON.
Power is OFF.
During half-duplex operation, packet collision is occurring
in either port.
No packet collision.
Operating in status mode.
Operating in ECO mode.
(All LEDs turn off, except POWER and STATUS/ECO
LEDs during ECO mode.)
Power is OFF.
Operating in GIGA mode.
Operating in Speed mode.
Operating in Duplex mode.
Operating in Loop history mode.
Loop is occurring, or occurred within the last 3 days.
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