Specifications

 Rese
t: Press this button for five seconds or above to reset the software setting back to factory
default setting.
 10/100/1000Mbps Ports: Designed to connect to the device with a bandwidth of 10Mbps,
100Mbps or 1000Mbps. Each has a corresponding 1000Mbps LED.
 SFP Ports: Designed to install the SFP module. The TL-SG2452 features 4 individual SFP
ports.
Note:
For TL-SG2452, the SFP port can only be used with a gigabit module.
 LEDs
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-SG2452 features a power socket and a Grounding Terminal (marked with ).
Figure 2-2 Rear Panel of TL-SG2452
 Grounding Terminal: TL-SG2452 already comes with Lightning Protection Mechanism. You
can ground the switch through the PE (Protecting Earth) cable of AC cord or with Ground Cable.
 AC Power Socket: Connect the female connector of the power cord here, and the male
connector to the AC power outlet. Please make sure the voltage of the power supply meets the
requirement of the input voltage (100-240V~ 50/60Hz 1.0A).
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