Roubleshooting; Problem Management; Troubleshooting Solutions - 3Com 3CBLSG48 User Manual

D
Problem
Management
Troubleshooting
Solutions
T

ROUBLESHOOTING

This section describes problems that may arise when installing the
switch and how to resolve these issues. This section includes the
following topics:
Problem Management — Provides information about problem
management.
Troubleshooting Solutions — Provides a list of troubleshooting
issues and solutions for using the device.
Problem management includes isolating problems, quantifying the
problems, and then applying the solution. When a problem is
detected, the exact nature of the problem must be determined. This
includes how the problem is detected, and the possible causes of
the problem. With the problem known, the effect of the problem is
recorded with all known results from the problem. Once the problem
is quantified, the solution is applied. Solutions are found either in this
chapter, or through customer support. If no solution is found in this
chapter, contact Customer Support.
listed below are some possible troubleshooting problems and
solutions. These error messages include:
Switch does not run; power lED is off.
Cannot connect to management using Console connection
Cannot connect to switch management using HTTP, SnMP, etc.
Self-test exceeds 15 seconds
no connection is established and the port lED is on
Device is in a reboot loop
no connection and the port lED is off
lost Password.