
Correcting Operating Malfunctions  | 
Correcting | Table   | 
Operating | module and shows possible causes and corrective actions for these  | 
Malfunctions | malfunctions. | 
  | Table   | 
Symptom  | Possible Cause  | Corrective Action  | 
  | 
  | 
  | 
Module does not power  | Module is not fitted  | Remove the module from the slot  | 
on.  | 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.  | 
  | 
  | 
  | 
Attached terminal does  | The terminal is  | Follow the troubleshooting  | 
not operate.  | 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 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 Reference documentation for more information. Verify that the port is configured as 
1 stop bit, 9600 baud rate, with flow control parameters set to Xon and Xoff.