3Com DUA1770-0AAA04 Switch User Manual


 
4
PROBLEM SOLVING
This chapter helps you to diagnose and solve problems you may have
with the operation of your Switch. There is also an explanation of IP
addressing.
The topics covered are:
Solving Problems Indicated by LEDs
Solving Hardware Problems
Solving Communication Problems
Solving Software Upgrade Problems
If you experience a problem that is not listed here, it may be included in
the support section of the Superstack 3 Switch Management Interface
Reference Guide on the CD-ROM that accompanies your Switch.
To ensure this product provides optimum performance, high speed fans
are used to provide ventilation. These fans have a high audible output.
For Technical Support information, see Appendix D
.