Allied Telesis AT-8012M Installation Manual page 33

Next to each GBIC slot on the AT-8024GB Switch and fiber optic port on
the AT-8026FC Switch are two LEDs. The LEDs display the operating
status of the fiber optic port. Use the Mode Select button on the switch
to toggle the status information displayed by the MODE LED. The LEDs
are defined in Table 5.
Table 5. AT-8024GB and AT-8026FC Fiber Optic Port LEDs
LED State
LINK OFF
Solid
Green
Mode - COL OFF
Flashing
Green
Mode - 100 Solid
Green
Mode - FULL OFF
Solid
Green
Mode - ACT OFF
Flashing
Green
AT-8000 Series Fast Ethernet Switches Installation Guide
Description
Indicates that there is no link between the
port and the end-node.
Indicates a valid link has been established
between the port and the end-node.
Indicates that no data collisions are
occurring on the port.
Indicates that data collisions are occurring
on the port.
Indicates that the port is operating at 1000
Mbps (AT-8024GB switch) or 100 Mbps
(AT-8026FC switch).
Indicates that the port is operating in
half-duplex mode.
Indicates that the port is operating in
full-duplex mode.
Indicates that there is no activity on the
port.
Indicates that the port is transmitting and/
or receiving data packets.
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