Troubleshooting Checklist

Troubleshooting Checklist

If the module is not working properly, refer to Table 4‐2 on page 4‐8 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 DFE module was installed

 

 

properly according to the installation

 

 

instructions in Chapter 3, and that the

 

 

host chassis is providing power.

 

 

 

No Local

Incorrect terminal setup.

Refer to the Enterasys Matrix DFE-

Management

 

Platinum Series Configuration Guide for

Password screen.

 

proper setup procedures.

 

 

 

 

Improper console cable

Refer to Appendix A for proper COM port

 

pinouts.

pinouts.

 

 

 

 

Corrupt firmware image, or

If possible, attempt to download the

 

hardware fault.

image to the DFE module again. Refer to

 

 

Setting the Mode Switches” on page B-2

 

 

for instructions to clear NVRAM.

 

 

 

Cannot navigate

Improper username/ password

If the username/password combination

beyond Password

combination entered.

has been forgotten, refer to “Setting the

screen.

 

Mode Switches” on page B-2 for

 

 

instructions on how to set the mode

 

 

switch to reset the username/password

 

 

combination to the default values.

4-8 Troubleshooting

Page 66
Image 66
Enterasys Networks 7G4205-72, 7G4285-49 manual Troubleshooting Checklist, Platinum Series Configuration Guide for