Allied Telesis AT-8088/xx (MT and SC) - Manual (Page 33)

AT-8000 Series Fast Ethernet Switches Installation Guide
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 Description
LINK OFF Indicates that there is no link between the
port and the end-node.
Solid
Green Indicates a valid link has been established
between the port and the end-node.
Mode - COL OFF Indicates that no data collisions are
occurring on the port.
Flashing
Green Indicates that data collisions are occurring
on the port.
Mode - 100 Solid
Green Indicates that the port is operating at 1000
Mbps (AT-8024GB switch) or 100 Mbps
(AT-8026FC switch).
Mode - FULL OFF Indicates that the port is operating in
half-duplex mode.
Solid
Green Indicates that the port is operating in
full-duplex mode.
Mode - ACT OFF Indicates that there is no activity on the
port.
Flashing
Green Indicates that the port is transmitting and/
or receiving data packets.