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Correcting Operating Malfunctions
5-5
Correcting
Operating
Malfunctions
Table 5-1 lists the symptoms of operating malfunctions for the Edge Router
module and shows possible causes and corrective actions for these
malfunctions.
Table 5-1
Troubleshooting Malfunctions
Symptom
Possible Cause
Corrective Action
Module does not power
on.
Module is not fitted
correctly against
backplane.
Remove the module from the slot
and replace it in the slot to ensure
that the module is fitted correctly.
Place the module in a different slot
in the hub.
The hub is receiving
no electrical power.
Check that the hub is receiving
power.
Test for power at the wall outlet by
plugging in another device.
Select another outlet on a different
circuit if necessary.
Attached terminal does
not operate.
The terminal is
malfunctioning.
Follow the troubleshooting
procedures recommended by the
terminal manufacturer.
Cables are
unattached.
Make sure that the cable
connections at both ends are secure.
Cables are not the
correct type.
Make sure that the cable attached to
the terminal conforms to the
specification as described in
Appendix A.
The console or
auxiliary port is
configured
incorrectly.
Check the console port and auxiliary
port configurations.
You can make a TELNET connection
to the router to verify port
configurations.
Refer to the
Cisco Router Products
Configuration and Referenc
e
documentation for more
information. Verify that the port is
configured as 8-bit data, no parity,
1 stop bit, 9600 baud rate, with flow
control parameters set to Xon and
Xoff.