Correcting Operating Malfunctions - 3Com 2103R-CSDI Installation Manual

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
Module does not power
on.
Attached terminal does
not operate.

Correcting Operating Malfunctions

Possible Cause Corrective Action
Module is not fitted Remove the module from the slot
correctly against and replace it in the slot to ensure
backplane. that the module is fitted correctly.
Place the module in a different slot
in the hub.
The hub is receiving Check that the hub is receiving
no electrical power. power.
Test for power at the wall outlet by
plugging in another device.
Select another outlet on a different
circuit if necessary.
The terminal is Follow the troubleshooting
malfunctioning. procedures recommended by the
terminal manufacturer.
Cables are Make sure that the cable
unattached. connections at both ends are secure.
Cables are not the Make sure that the cable attached to
correct type. the terminal conforms to the
specification as described in
Appendix A.
The console or Check the console port and auxiliary
auxiliary port is port configurations.
configured
incorrectly.
You can make a TELNET connection
to the router to verify port
configurations.
Refer to the Cisco Router Products
Configuration and Reference
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.
5-5