JetStream L2/L2+ Managed Switch
09Introduction
LED Indication
Port 25–28
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.
For TL-SG3428X-UPS
LED Indication
PWR
On: The switch is powered on.
Off: The switch is powered off or AC power supply is abnormal.
Flashing: AC Power supply is abnormal.
SYS
Flashing: The switch works properly.
On or Off: The switch works improperly.
UPS
Green On: AC power is working, battery is fully charged.
Green Flashing: AC power is working, battery is charging.
Yellow On: AC power is off, battery is supplying power.
Yellow Flashing: AC power is off, low battery.
Off: The battery is not connected, the battery switch is OFF, or the battery cannot
supply power.
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
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.
For TL-SG3428XF
PWR1* PWR2 Indication
Green On Off
The switch is powered by PWR1.
PWR2 is disconnected or it works improperly.
Green On Yellow On**
The switch is powered by PWR1.
PWR1 and PWR2 are connected.*
Off Green On
The switch is powered by PWR2.
PWR1 is disconnected or it works improperly.
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