Allied Telesis AT-GS900/8POE - Manual (Page 19)

AT-GS900/8POE Gigabit Ethernet Switch Installation Guide
19
LEDs
The system and port LEDs on the front panel of the AT-GS900/8POE
Gigabit Ethernet switch switch display the switch and its port status
information.
Table 2 describes the system LED.
Each twisted pair port has two LEDs, as described in Table 3.
Table 2. System LED
LED State Description
PWR Green The switch is powered ON and operating
normally.
OFF The switch has no power.
Table 3. Twisted Pair Port LEDs
LED State Description
L/A Green A valid 1000 Mbps link is established on the
port.
Blinking Green Frames are being transmitted/received on
the port at 1000 Mbps.
Amber A valid 10/100 Mbps link is established on
the port.
Blinking Amber Frames are being transmitted/received on
the port at 10 or 100 Mbps.
Off No link is established on the port.
PoE Green A PoE powered device is connected and
power is being powered by the port.
Blinking Green PoE is off because an error occurred on the
powered device connected to the port.
OFF The port is not connecting to a valid powered
device.