Allied Telesis AT-8600 Hardware Reference Manual page 8

8
AT-8624T/2M switch
Link and Mode LEDs
AT-8624PoE switch
Link and Mode LEDs
C613-03080-00 REV G
LED State
LINK OFF
Green
Mode - COL OFF
Flashing Green
Mode - 100 OFF
Green
Mode - FULL OFF
Green
Mode - ACT OFF
Flashing Green
LED State
L/A Status OFF
(Top LED)
Green
Flashing Green
Amber
Flashing
Amber
Mode LEDs OFF
(Bottom LED)
D/C Mode OFF
Green
Amber
Flashing
Amber
PoE Mode OFF
Green
Amber
Flashing
Amber
Description
There is no link between the port and the end-
node.
A valid link has been established between the
port and the end-node.
No data collisions are occurring on the port.
Data collisions are occurring on the port.
The port is operating at 10 Mbps.
The port is operating at 100 Mbps.
The port is operating in half-duplex mode.
The port is operating in full-duplex mode.
There is no activity on the port.
There is activity on the port. It is transmitting
and/or receiving data.
Description
There is no link between the port and the end-
node.
The port is operating at 100 Mbps.
There is activity on the port. It is transmitting
and/or receiving data at 100 Mbps.
The port is operating at 10 Mbps.
There is activity on the port. It is transmitting
and/or receiving data at 10 Mbps.
Either DC mode or PoE mode.
There is no link between the port and the end-
node.
The port is operating in full duplex mode.
The port is operating in half-duplex mode.
The port is operating in half-duplex mode and
data collisions are occurring on the port.
There is no powered device detected.
The end node is a powered device and the port
is providing power to it.
The port is experiencing a problem providing
PoE to the end node.
The port is connected to a powered device but
providing power to it would exceed the
maximum PoE power budget of the switch.
AT-8600 Series