JetStream L2/L2+ Managed Switch
10 Introduction
PWR1* PWR2 Indication
Off Off
The switch is powered off or both PWR1 and PWR2 work
improperly.
LED Indication
SYS
Flashing: The switch works properly.
On or Off: The switch works improperly.
FAN
Green: All the fans work properly.
Yellow: Not all the fans work properly.
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.
Port 1-24
Green On: Running at 1000 Mbps, but no activity.
Green Flashing: Running at 1000 Mbps and transmitting or receiving data.
Yellow On: Running at 100 Mbps, but no activity.
Yellow Flashing: Running at 100 Mbps and transmitting or receiving data.
Off: No device is linked to the corresponding 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.
*PWR1 is the primary power supply and it takes priority over PWR2.
**When both PWR1 and PWR2 work properly and the switch is powerd by PWR1, it takes 10-20 seconds for
the LED PWR2 (yellow) to go out after PWR2 is unplugged.
For TL-SG3428X-M2
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.
FAN
Green: All the fans work properly.
Yellow: Not all the fans work properly.
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.
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