Interpreting Front-Panel LEDs
~Line On (green): Continually lit if the router is receiving power.
Activity (green): Blinks for each packet received or transmitted. The
frequency shows the amount of traffic. In heavy traffic, it may
appear to be lit all of the time. (In the HP Router TFR, the Activity
LED is continually lit while the router is inserted in a ring.)
Fault (amber): Lights if a failure occurrs on the network or router.
(See the next section about the back of the router for more specific
information.) Fault lights while the Reset button is pressed. (Refer
to the next section for more information).
Fault
Activity
~Line On
Figure 2-2. Example of Router Front
Router Operation
Interpreting Front-Panel LEDs
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