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394
C
HAPTER
10: T
ROUBLESHOOTING
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.
Summary of Contents for SuperStack 3 NBX
Page 14: ......
Page 18: ...18 ABOUT THIS GUIDE...
Page 26: ...26 CHAPTER 1 INTRODUCTION...
Page 138: ...138 CHAPTER 2 DIAL PLAN...
Page 322: ...322 CHAPTER 3 DEVICE CONFIGURATION...
Page 328: ...328 CHAPTER 4 USER CONFIGURATION...
Page 412: ...412 CHAPTER 10 TROUBLESHOOTING...
Page 458: ...458 APPENDIX B ISDN COMPLETION CAUSE CODES...
Page 480: ...480 GLOSSARY...
Page 492: ...492 INDEX...