
11
T
ROUBLESHOOTING
This chapter contains maintenance and troubleshooting information that
can help you resolve simple problems. It covers these topics:
■
System-level Troubleshooting
■
Connecting a Computer to a Console Port
■
Servicing the Network Call Processor Battery
■
Getting Service and Support
System-level
Troubleshooting
For each symptom listed in
Table 36
, perform the suggested actions in the
order listed.
WARNING:
Before you remove any component, shut down the system
software and then turn off the power to the system.
Table 36
Troubleshooting Actions
Symptom
Possible Cause
Suggested Action
Date/time display
on telephones is
wrong, either
incorrect date or
shows random
characters.
A power surge has
corrupted the system
time.
If the display shows incorrect date, use
NBX NetSet to reset the system time. If the
display shows random characters, for
example, 00; 0 #, you must:
1
Disconnect power to the chassis that
holds the NCP.
2
Wait 60 seconds.
3
Reconnect power to the system.
4
Use NBX NetSet to enter the correct
date and time.
Problem with
Network NCP battery.
Contact your 3Com NBX
Voice-Authorized Partner.
Содержание 3C10122 - NBX Business Telephone
Страница 20: ...20 ABOUT THIS GUIDE...
Страница 80: ...80 CHAPTER 1 INTRODUCTION...
Страница 120: ...120 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS...
Страница 142: ...142 CHAPTER 4 ANALOG LINES...
Страница 162: ...162 CHAPTER 8 T1 DIGITAL LINE CARD...
Страница 192: ...192 CHAPTER 10 CONFIGURING IP TELEPHONY...
Страница 198: ...198 CHAPTER 11 TROUBLESHOOTING...
Страница 224: ...224 APPENDIX A SPECIFICATIONS...
Страница 230: ...230 APPENDIX B CIRCUIT PROVISIONING...
Страница 240: ...240 APPENDIX D OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS...