Allied Telesis AR400 Series Router - Manual (Page 36)

36 AR400 Series Router
613-000313 Rev B
System LEDs on AR440S, AR441S, AR442S
The LEDs described in the following table show the operational status and port
activity for the AR440S, AR441S and AR442S routers.
LED State Function
Power Green The router is receiving power and the power
switch is ON.
System Red or amber Lit briefly during router start up, or the router is
malfunctioning.
Flashing The fan has failed.
Off Normal operation.
PIC Green A port interface card (PIC) is correctly installed
and has been detected by the router.
Off No PIC is installed, or the router has not
recognised the PIC.
1 - 5
(switch
ports)
Green A 100 Mbps link has been established.
Green flashing Data is being transmitted at 100 Mbps.
Amber A 10 Mbps link has been established.
Amber flashing Data is being transmitted at 10 Mbps.
Off No link is present.
ADSL/
SHDSL
Green A link has been established, and is ready to send
or receive data.
Green flashing fast Data is being transmitted or received.
Green flashing slow (1
sec) The port is in Loopback mode.
Amber ADSL or SHDSL is enabled and is looking for DSL
handshake tones (in the Handshake State).
Amber flashing The port is training.
Green & amber
alternate There is a fault in the port.
Off The port is disabled.