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Name Status Indication
On The remaining PoE power≤7W.
Flashing The remaining PoE power keeps ≤7W after this LED is
on for 2 minutes.
PoE Max
Off The remaining PoE power≥7W.
On The port is supplying power normally.
Green
Flashing
The supply power exceeds the corresponding port’s
maximum power.
On Overload or short circuit is detected.
Yellow
Flashing Power-on self-test has failed.
10/100/
1000Mbps Port
LED
Off No PoE power supply is provided on the port.
For TL-SG2452:
Name Status Indication
On Power is on.
Flashing Power supply is abnormal.
PWR
Off Power is off or power supply is abnormal.
On The switch is working abnormally.
Flashing The switch is working normally.
SYS
Off The switch is working abnormally.
On
A 1000Mbps device is connected to the corresponding
port but no activity.
Green
Flashing Data is being transmitted or received.
On
A 10/100Mbps device is connected to the
corresponding port but no activity.
Yellow
Flashing
Data is being transmitted or received.
10/100/
1000Mbps
Off No device is connected to the corresponding port.
2.3.2 Rear Panel
The rear panel of TL-SG2216/TL-SG2424/TL-SG2424P/TL-SG2452 features a power socket and
a Grounding Terminal (marked with
), here we take TL-SG2424 for example.
Figure 2-5 Rear Panel of the switch
Grounding Terminal: The switch already comes with Lightning Protection Mechanism. You
can also ground the switch through the PE (Protecting Earth) cable of AC cord or with Ground
Cable.
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