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Power LED
PoE LIM. LED
Temperature sensor LED
Fan sensor LED
LED Display change
button
POWER LED (Power)
Green Light
Off
PoE LIM. LED (PoE limit)
For silent fan control high-speed (High)* For factory default, or low-speed (Low2)
Off
Green Light
Orange Blink
For silent fan control low-speed (Low1), or min-speed (Min)
Off
Green Light
Orange Blink
TEMP LED (Temperature sensor)
Green Light
Orange Blink
FAN (Fan sensor) LED
Green Light
Orange Blink
STATUS/ECO LED (Status/ECO mode)
Green Light
Green Blink
Orange Light
Orange Blink
GIGA (GIGA mode) LED
Green Light
FULL (DUPLEX mode) LED
Green Light
LOOP HISTORY LED (Loop History mode)
Green Light
Green Blink
Off
GA-ML4TWPoE++
: Power is ON.
: Power is OFF.
: Supplying power in the range from 0 to 225 W.
: Supplying power in the range from 225 to 240 W.
: A single port's power supply is exceeding the upper limit, or
the total power supply of the Ethernet Switch is exceeding 240 W.
: Supplying power in the range from 0 to 165 W.
: Supplying power in the range from 165 to 180 W.
: A single port's power supply is exceeding the upper limit, or
the total power supply of the Ethernet Switch is exceeding 180 W.
: The system is normally operating.
: The temperature exceeded the set threshold of the internal
temperature sensor.
Set threshold of the internal temperature sensor: 79°C
(factory default)
: The system is normally operating.
: Fan failure
: Operating in status mode.
: The system is normally operating in ECO mode.
(In ECO mode, all of the port LEDs are off.)
: Starting up
: Malfunction
: Operating in GIGA mode.
: Operating in DUPLEX mode.
: Operating in Loop History mode.
: Loop is occurring, or occurred within
the last 3 days.
: No loop detection.
Status/ECO mode LED
GIGA mode LED
DUPLEX mode LED
Loop History mode LED
13
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