3Com NBX 100 Administrator's Manual - Roubleshooting
11
T
ROUBLESHOOTING
This chapter contains maintenance and troubleshooting information that
can help you resolve simple problems. It covers these topics:
■
Using the Telephone Local User Interface Utility
■
The 3Com Telephone Local Configuration Application
■
Using H3PingIP
■
System-level Troubleshooting
■
Connecting a Computer to a Serial Port
■
Servicing the Network Call Processor Battery
■
Getting Service and Support
NBX hardware needs no routine maintenance. However, you should
perform periodic backups of the configuration and license databases,
especially after you make changes to system or user configurations.
Using the
Telephone Local
User Interface
Utility
Each NBX Telephone supports a telephone diagnostic and configuration
utility called the Local User Interface (LUI). The LUI utility enables you to
perform these tasks:
■
View telephone settings, both the active settings and the settings
stored in the telephone’s memory
■
Set telephone IP address, subnet mask, and default gateway
■
Specify IP address of the Network Call Processor (NCP)
■
Test the telephone buttons, display panel, and LEDs
■
Clear all device settings
■
Specify the MAC address of the NCP (test environment option)
■
View firmware information (technician option)
■
Test connectivity