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1.4. LED Behavior
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
Behavior
Description
POWER LED
(Power)
Green Light
Power is ON.
Off
Power is OFF.
ANY COL. LED
(Collision)
Orange Light
During half-duplex operation, packet collision
is occurring in either port.
Off
No packet collision.
STATUS/ECO LED
(Status/Eco mode)
Green Light
Operating in status mode.
Green Blink
Operating in ECO mode.
(All LEDs turn off, except POWER and
STATUS/ECO LEDs during ECO mode.)
Off
Power is OFF.
GIGA LED
(GIGA mode)
Green Light
Operating in GIGA mode.
100M LED
(Speed mode)
Green Light
Operating in Speed mode.
FULL LED
(DUPLEX mode)
Green Light
Operating in Duplex mode.
LOOP HISTORY LED
(Loop History mode)
Green Light
Operating in Loop history mode.
Green Blink
Loop is occurring, or occurred within the last
3 days.