Troubleshooting With The Module Status Led; Troubleshooting - 3Com CoreBuilder 5000 User Manual

4

Troubleshooting

Troubleshooting
With the Module
Status LED
T
ROUBLESHOOTING
This chapter describes troubleshooting procedures for the
™
CoreBuilder 5000 Ethernet 24-Port Module. Information on
troubleshooting will assist you in verifying the module's operation.
Typical fault conditions are addressed in this chapter.
Diagnostic features are covered in
this chapter cover fault conditions and troubleshooting suggestions for
the module. This chapter is divided into the following parts:

Troubleshooting With the Module Status LED

Troubleshooting With the Status LEDs
Troubleshooting With the Activity LEDs
Technical Assistance
In certain situations, the module status LED may not light.
outlines both the possible reasons for this problem and some probable
solutions.
Table 4-1

Troubleshooting with the Module Status LED

LED State Possible Problem
Off Hub power is off
The 24-Port module is faulty Try a different 24-Port module.
The hub does not have
enough available power for
a new module installation.
Table 3-3. Tables 4-1, 4-2, and
Troubleshooting Solutions
Check the controller module power
LEDs.
Use the SHOW POWER BUDGET
management command to ascertain
available power in the hub. (See the
Distributed Management Module
Commands Guide for details.)
4-3 in
Table 4-1