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
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-SG2210P features a power socket and eight ports. Its rear panel is shown as
the following figure.
Figure 2-6 Rear Panel of TL-SG2210P
10/100/1000Mbps Ports: Designed to connect to the device with a bandwidth of 10Mbps,
100Mbps or 1000Mbps. Each has a corresponding LED on the front panel.
SFP Ports: Designed to install the SFP module. The SFP port can only be used with a gigabit
module.
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