Allied Telesis AT-8516F/SC Installation Manual page 31

Table 4 LEDs for the 10/100Base-TX Twisted Pair Ports on the
LED State
Mode - DC OFF
Steady
Green
Steady
Amber
Flashing
Amber
Mode - POE OFF
Green
Steady
Amber
Flashing
Amber
AT-8500 Series Fast Ethernet Switch Installation Guide
AT-8524POE Switch
Description
Indicates that the port has not established
a valid link with its end node.
Indicates that the port is operating in full
duplex mode.
Indicates that the port is operating in half
duplex mode.
Indicates that the port is operating in half
duplex mode and that data collisions are
occurring on the port.
Indicates that the device connected to the
port is not a powered device and does not
require PoE.
Indicates that the end node is a powered
device and that the port is providing
power to it.
Indicates that the port experienced a
problem providing PoE to the end node.
For further information, refer to Chapter 3,
Troubleshooting on page 72.
Indicates that the port is connected to a
powered device but that providing power
to it would exceed the maximum PoE
power budget of the switch. For further
information, refer to Chapter 3,
Troubleshooting on page 72.
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