Allied Telesis AT-8400 Series Reference Manual page 47

Table 13 AT-8414/ST and AT-8414/SC Line Card LEDs
LED State
RDY Steady Green
L/A Steady Green
Flashing Green
OFF
D/C Steady Green
Flashing Green
OFF
Description
The line card is receiving power and is ready to
forward traffic.
The port has established a valid link with its end
node.
The port is transmitting and/or receiving data
packets.
The port has not established a valid link with its
end node.
The port is operating in full duplex.
The port is operating in half-duplex and is
experiencing data collisions.
The port is operating in half-duplex mode without
data collisions.
AT-8400 Chassis Installation Guide
33