3Com SuperStack 3 NBX - Telephone Troubleshooting; Using the Telephone Local User Interface (LUI) Utility

394 CHAPTER 10: TROUBLESHOOTING
Telephone
Troubleshooting
If you believe that a problem is associated with a particular telephone,
use the telephone troubleshooting procedures.
Using the Telephone
Local User Interface
(LUI) Utility
The firmware within each NBX Business Telephone and NBX Basic
Telephone includes a telephone diagnostic and configuration utility called
the Local User Interface (LUI).
To run the LUI utility:
1 Disconnect the telephone from the LAN.
2 Cycle power to the telephone by disconnecting and then reconnecting its
power connector.
For more information about NBX telephone connections, see Chapter 3
of the NBX Installation Guide.
3 To start the LUI:
■ On the NBX Business Telephone, press the Program button.
■ On the NBX Basic Telephone, press the MSG button.
4 To maneuver through the menu items:
■ Use the scroll buttons to view menu items
■ Use the key pad or Access buttons to select a menu item. Use the
Access buttons to select menu items or to enter hexadecimal digits.
LUI features on the NBX Business Telephone are shown and described in
Figure 146
.
LUI features on the NBX Basic Telephone are shown and described in
Figure 147
.
Table 72
describes the LUI menu items.