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14 AR400 Series Router
613-000313 Rev C
System LEDs on the AR450S
The LEDs described in the following table show the operational status and port
activity for AR450S 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.
Full Dup Green The port is operating at full-duplex.
Off The port is operating at half-duplex.
Link/ACT Green A link has been established.
Flashing Data is being transmitted.
Off No link is present.
100M Green The port is operating at 100Mbps.
Off The port is operating at 10Mbps.