TP-Link TL-SG3428X-UPS Installation Manual page 12

JetStream L2/L2+ Managed Switch
LED
Link/Act
1000Mbps
Port 25–28
For TL-SG3428X-UPS
LED
PWR
SYS
UPS
Link/Act
1000Mbps
Port 25–28
For TL-SG3428XF
PWR1* PWR2
Green On Off
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.
Indication
On: The switch is powered on.
Off: The switch is powered off or AC power supply is abnormal.
Flashing: AC Power supply is abnormal.
Flashing: The switch works properly.
On or Off: The switch works improperly.
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.
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.
Indication
The switch is powered by PWR1.
PWR2 is disconnected or it works improperly.