TP-Link JetStream TL-SG3452X Installation Manual page 12

JetStream L2/L2+ Managed Switch
LED
Link/Act
1000Mbps
Port 25–28
For TL-SG3428MP, TL-SG3428XMP, TL-SG3452P and TL-SG3452XP
LED Indication
On: The switch is powered on.
PWR Off: The switch is powered off or power supply is abnormal.
Flashing: Power supply is abnormal.
Flashing: The switch works properly.
SYS
On or Off: The switch works improperly.
On: The remaining PoE power is ≤ 7 W.
PoE Max Flashing: The remaining PoE power keeps ≤ 7 W after this LED is on for 2 minutes.
Off: The remaining PoE power is > 7 W.
Green: All the fans work properly.
FAN
Yellow: Not all the fans work properly.
Green On: Running at 1000 Mbps, but no activity.
Green Flashing: Running at 1000 Mbps and transmitting or receiving data.
Speed or PoE
Yellow On: Running at 10/100 Mbps, but no activity.
(When the Speed
LED is on) Yellow Flashing: Running at 10/100 Mbps and transmitting or receiving data.
Off: No device is linked to the corresponding port.
Green On: The port is supplying power normally.
Green Flashing: The supply power exceeds the correponding port's maximum power.
Speed or PoE
Yellow On: Overload or short circuit is detected.
(When the PoE LED
is on) Yellow Flashing: Power-on self-test failed.
Off: Not providing PoE power on the port.
On: Running at 1 Gbps, but no activity.
Flashing: Running at 1 Gbps and transmitting or receiving data.
SFP
Off: No device is linked to the corresponding port.
Note: For TL-SG3428MP
08 Introduction
Indication
On: A device is linked to the port but no activity.
Off: No device is linked to the corresponding port.
Flashing: Transmitting or receiving data.
On: Running at 1000 Mbps.
Off: Running at 10/100 Mbps or no device is linked to the port.
Green On: Running at 10 Gbps, but no activity.
Green Flashing: Running at 10 Gbps and transmitting or receiving data.
Yellow On: Running at 1 Gbps, but no activity.
Yellow Flashing: Running at 1 Gbps and transmitting or receiving data.
Off: No device is linked to the corresponding port.