JetStream L2/L2+ Managed Switch
08 Introduction
LED Indication
SFP+
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.
Note: For TL-SG3452X
For TL-SG3428
LED Indication
PWR
On: The switch is powered on.
Off: The switch is powered off or power supply is abnormal.
Flashing: Power supply is abnormal.
SYS
Flashing: The switch works properly.
On or Off: The switch works improperly.
Link/Act
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.
1000Mbps
On: Running at 1000 Mbps.
Off: Running at 10/100 Mbps or no device is linked to the port.
Port 25–28
On: Running at 1 Gbps, but no activity.
Flashing: Running at 1 Gbps and transmitting or receiving data.
Off: No device is linked to the corresponding port.
For TL-SG3428X
LED Indication
PWR
On: The switch is powered on.
Off: The switch is powered off or power supply is abnormal.
Flashing: Power supply is abnormal.
SYS
Flashing: The switch works properly.
On or Off: The switch works improperly.
Link/Act
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.
1000Mbps
On: Running at 1000 Mbps.
Off: Running at 10/100 Mbps or no device is linked to the port.