Troubleshooting; Overview - 3Com SuperStack 3 NBX Administrator's Manual

10

Overview

T
ROUBLESHOOTING
This chapter contains maintenance and troubleshooting information that
can help you resolve simple problems. It covers these topics:
Telephone Troubleshooting
■
Using the Telephone Local User Interface (LUI) Utility
■
Using H3PingIP
■
System-level Troubleshooting
■
Digital Line Card Troubleshooting
■
Alarm Conditions (Overview)
■
Alarm Descriptions
■
Alarms on NBX Digital Line Cards
■
Configuration and Status Reports
■
Connecting a Computer to a Serial Port
■
Servicing the Network Call Processor Battery
■
Getting Service and Support
■
The SuperStack 3 NBX hardware needs no routine maintenance.
However, you should perform periodic backups of the configuration
database, especially after making changes to system or user
configurations.