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.
