The front panel of TL-SG1008 is shown as the following figure.
LEDs
10/100/1000Mbps RJ45 Port
Front Panel of TL-SG1008Figure 1-6 
LEDs
LED Status Indication
Power
On The switch is powered on.
Off The switch is powered off or power supply is abnormal.
Link/Act
On
There is a device linked to the corresponding port but no 
activity.
Flashing The corresponding port is transmitting or receiving data.
Off There is no device linked to the corresponding port.
1000Mbps
On A 1000Mbps device is connected to the corresponding port.
Off
A 10/100Mbps device or no
 device is connected to the 
c
orresponding port.
10/100/1000Mbps RJ45 Port
Designed  to  connect  to  the  device  with  a  bandwidth  of  10Mbps,  100Mbps  or 
1000Mbps. Each has a corresponding Link/Act LED and a 1000Mbps LED.
The front panel of TL-SG1008PE is shown as the following figure.
LEDs
10/100/1000Mbps RJ45 Port and PoE Port
Front Panel of TL-SG1008PEFigure 1-7 
LEDs
LED Status Indication
Power
On (green) The switch is powered on.
Flashing (green) Power supply is abnormal.
Off The switch is powered off.
Link/Act
On (green) A valid link is established on the port.
Flashing (green)
The corresponding port is transmitting or receiving 
data.
Off There is no device linked to the corresponding port.
Introduction