Leds - Allied Telesis AT-8400 Series Reference Manual

Note
Do not use single-mode fiber optic cable with these line cards.

LEDs

Table 8 describes the port LEDs.
Table 8 AT-8412/SC FX and AT-8412/MT FX 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 at 100 Mbps in full duplex.
The port is experiencing data collisions.
The port is operating in half-duplex mode without
collisions.
AT-8400 Chassis Installation Guide
21