Chapter 2 Troubleshooting And Maintenance; Troubleshooting Startup Problems; Preventive Maintenance - 3Com NETBuilder II Installation Manual

Chapter 2
Troubleshooting and Maintenance
This chapter describes how to troubleshoot and maintain the HSSI module.
If you are unable to resolve a problem with your HSSI module, you will need to contact a
customer service representative. Refer to Appendix C, "Technical Support," for information
about who to contact in your area.

Troubleshooting Startup Problems

The following symptom indicates a self-test failure at startup. For complete information on
configurable firmware parameters, refer to the NETBuilder Family Bridge/Router Guide,
Version 6.2 or later .
Symptom
The following message is displayed:
HSSI Interface: Self Tests failed - slot X
The value of X can be 1 through 4 or 1 through 8, depending on whether you have a 4-slot or an
8-slot NETBuilder chassis.
Action
Check to see if the card is inserted completely into the NETBuilder II chassis.
Maintaining the HSSI Module
This section describes preventive maintenance you can take and how to replace the HSSI
module.

Preventive Maintenance

3Com recommends the following procedures for preventive maintenance:
Refer to Chapter 5 of the NETBuilder II Base System Installation Guide for preventive
maintenance tips that apply to the entire system.
Observe the guidelines in Appendix A of the NETBuilder II Base System Installation
Guide for minimum and maximum electrical and environmental requirements.
Keep the area around the NETBuilder II base system clean and avoid accumulated dust.
Allow sufficient air space around the NETBuilder II base system for proper ventilation.
This protects the HSSI module from excessively high temperatures.
Observe ESD guidelines whenever handling the HSSI module.