
Troubleshooting Checklist
Troubleshooting 4-7
User parameters
(IP address,
Device and
Module name,
etc.) were lost
when the
2H253-25R
power was cycled
or the front panel
RESET button
was pressed.
1. Position of Mode switch (7),
NVRAM Reset, was changed
sometime before either cycling
power or pressing the RESET
button, causing the
user-entered parameters to
reset to factory default
settings.
2.Clear NVRAM was set
through Local Management.
1.Reenter the lost parameters as
necessary. Refer to the SmartSwitch
Series 2E253, 2H252, 2H253, and
2H258 Local Management User’s
Guide for the instructions to
configure the device through Local
Management.
2.If the problem continues, contact
Cabletron Systems for assistance.
Table 4-2 Troubleshooting Checklist (Cont’d)
Problem Possible Cause Recommended Action