TP-Link TL-SG2216 Installation Manual page 8

Gigabit Smart Switch
LED
PoE Max
10/100/
1000Mbps
LED Mode Switch Button
Press this button to switch the LED status indication between Speed and PoE.
Reset
Press this button for five seconds or above to reset the software setting back to
factory default settings.
10/100/1000Mbps RJ45 Port
Designed to connect to the device with a bandwidth of 10Mbps, 100Mbps or
1000Mbps. Each has a corresponding 1000Mbps LED.
SFP Port
Designed to install the SFP module. TL-SG2424P switch features 4 SFP transceiver
slots that are shared with the associated RJ45 ports. The associated two ports are
referred as a "Combo" port, which means they cannot be used simultaneously,
otherwise only SFP port works.
The front panel of TL-SG2452 is shown as the following figure.
1
LEDs
10/100/1000Mbps RJ45 Port
SFP Port
Reset
LEDs
Introduction
04
Status
On
Flashing
Off
On
Green
Flashing
On
Yellow
Flashing
Off
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LED Status
On
PWR Off
Flashing
Flashing
SYS
On/Off
Indication
The remaining PoE power≤7W
The remaining PoE power keeps ≤7W after this LED is
on for 2 minutes
The remaining PoE power≥7W
The port is supplying power normally
The supply power exceeds the correponding port's
maximum power
Overload or short circuit is detected
Power-on self-test has failed
No PoE power supply is provided on the port
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1000Mbps
10/100Mbps
Figure 1-4 Front Panel of TL-SG2452
Indication
The switch is powered on
The switch is powered off or power supply is abnormal
Power supply is abnormal
The switch works properly
The switch works improperly
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1000Base-X
51 52