Using Model 5380 Ethernet and Model 5580 Token Ring Routers
B-4
112768 Rev. B
Troubleshooting
Table B-3 shows the LED combinations for specific router operational states.
*. At the end of the CMB diagnostics, all the LEDs flash green then amber, and the CMB releases the router from the
reset.
†. A net module or onboard interface failed the diagnostics.
‡. The diagnostics detected a fatal error during testing.
**. The diagnostics halted. If a terminal is connected to the service port, the following prompt is displayed: ex, remove boot
rom.
††. The PPX diagnostics failed. If a terminal is connected to the service port, the diagnostic prompt is displayed. The RUN
and DIAG LEDs alternately flash.
Table B-3.
Router LED Operational States
Router state
Run LED
Boot LED
Diag LED
Annunciator
Router is running successfully
Green
Off
Off
Green
CMB running diagnostics*
Off
Off
Off
Amber
Router is resetting
Flashing green
Off
Off
Amber
Router diagnostics are running
Flashing green
Off
Off
Amber
Router is booting successfully
Off
Green
Off
Amber
Router is booting with a
diagnostic failure
Off
Green
Amber
Amber
Router is running with an
interface failure†
Green
Off
Amber
Green
Diagnostic failure occurred‡
Off
Off
Flashing amber
Amber
Diagnostic failure occurred**
Flashing green
Off
Amber
Amber
PPX failure occurred during the
diagnostics††
Flashing green
Off
Flashing amber
Amber
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