10 TROUBLESHOOTING
Overview 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, youshould per form periodic backups of the configuration
database, especially after you make changes to system or user
configurations.