Cabletron Systems 2200 Manual Do Utilizador
Troubleshooting Checklist
Troubleshooting
4-5
4.2
TROUBLESHOOTING CHECKLIST
If the 2E253-49R is not working properly, refer to
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.
OFF.
Loss of power.
Check for proper connection of the power
cable and its access to a live outlet.
cable and its access to a live outlet.
Installed improperly.
.
No Local
Management
Password screen.
Management
Password screen.
Autobaud is enabled, but
the baud rate has not yet
been detected.
the baud rate has not yet
been detected.
Press ENTER (RETURN) (may take up to
four times).
four times).
Terminal setup is not
correct.
correct.
Refer to SmartSwitch Series 2E253, 2H252,
2H253, and 2H258 Local Management
User’s Guide for proper setup procedures.
2H253, and 2H258 Local Management
User’s Guide for proper setup procedures.
Improper console cable
pinouts.
pinouts.
pinouts.
Corrupt firmware image,
or hardware fault.
or hardware fault.
If possible, attempt to download the image to
the 2E253-49R again. Refer to
the 2E253-49R again. Refer to
for instructions to clear NVRAM.
Cannot navigate
beyond Password
screen.
beyond Password
screen.
Improper Community
Names Table.
Names Table.
1. Refer to SmartSwitch Series 2E253,
2H252, 2H253, and 2H258 Local
Management User’s Guide for the
Community Names Table setup.
Management User’s Guide for the
Community Names Table setup.
2. If the Community Names have been
instructions on how to set the mode switch
to reset the Community Names to their
default values.
to reset the Community Names to their
default values.