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LEDs
The system and port LEDs on the front panel of the AT-FS708/POE Fast
Ethernet switch switch display the switch and its port status information.
Table 2 describes the system LED.
LED
State
PWR
Green
OFF
Each twisted pair port has two LEDs, as described in Table 3.
Table 3. Twisted Pair Port LEDs
LED
State
L/A
Green
Blinking Green
Off
PoE
Green
Blinking Green
OFF
Table 4 describes the SFP port LED.
LED
State
L/A
Green
Blinking
Green
OFF
AT-FS708/POE Fast Ethernet Switch Installation Guide
Table 2. System LED
Description
The switch is powered ON and operating
normally.
The switch has no power.
Description
A valid link is established on the port.
Frames are being transmitted/received on the
port at 10 or 100 Mbps.
No link is established on the port.
A PoE powered device is connected and is
being powered by the port.
PoE is off because an error occurred on the
powered device connected to the port.
The port is not connecting to a valid powered
device.
Table 4. SFP Port LED
Description
A valid link is established on the SFP module in
the SFP expansion slot.
Frames are being transmitted/received on the
SFP module in the SFP expansion slot.
No link is established on the SFP module in the
SFP expansion slot.
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