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4–3
Troubleshooting
Table 4–1:
States of the DEC WANrouter 90 LEDs
Power LED
System OK
Network LED
Meaning
Off
Off
Off
No power.
On
Off
Off
Self-test failed.
On
Blinking
Off
Self-test failed, but
core is operational.
On
On
On
Self-test passed and
software image
successfully loaded.
On
On
Off
Self-test passed.
Router is attempting
to find the load host.
On
On
Blinking
Self-test passed but
could not find the
software image.
4.4 Troubleshooting Procedure
To troubleshoot the DEC WANrouter 90 hardware, refer to Table 4–1 and to the
diagnostic flow chart in Figure 4–1.