Enterasys Networks C1H124-24 - Manual (Page 56)

Troubleshooting Checklist
4-4 Troubleshooting
4.2 TROUBLESHOOTING CHECKLIST
If the device is not working properly, refer to Table 4-2 for a checklist of problems, possible causes,
and recommended actions to resolve the problem.
Table 4-2 Troubleshooting Checklist
Problem Possible Cause Recommended Action
All LEDs are
OFF. Loss of power. Ensure that the device was installed properly
according to the installation instructions in
Chapter 3 , and that the device chassis is
powered properly.
No local
management
startup screen. Incorrect terminal setup. Refer to the Matrix C Series Configuration
Guide for proper setup procedures.
Improper console cable
pinouts. Refer to Appendix A for proper Console port
pinouts.
Corrupt firmware image,
or hardware fault. If possible, attempt to download the image to
the device again. Refer to Matrix C Series
Configuration Guide for instructions to clear
NVRAM.
Cannot navigate
beyond startup
screen. Improper Community
Names Table. Refer to the Matrix C Series Configuration
Guide for the Community Names Table
setup.
If the Community Names have been
forgotten, refer to Matrix C Series
Configuration Guide for instructions on how
to set the mode switch to reset the
Community Names to their default values.