– iii – NWA-008847-001 Rev.3.0
a6toc001.fm
TABLE OF CONTENTS
CHAPTER 2 TROUBLESHOOTING .................................................................................. 115
PRECAUTIONS ........................................................................................................... 116
Static Electricity Guard ...................................................................................................... 116
Procedure for Unplugging/Plugging Circuit Cards ......................................................... 118
Turning Power ON .............................................................................................................. 122
Turning Power OFF ............................................................................................................ 123
OUTLINE OF TROUBLESHOOTING .......................................................................... 124
FAULT DETECTION .................................................................................................... 125
Lamp Indication on Circuit Cards ..................................................................................... 127
FAULT DIAGNOSIS AND TROUBLESHOOTING ...................................................... 138
Display on MAT/CAT .......................................................................................................... 138
Fault Message ................................................................................................................ 138
Station Line Status Display ........................................................................................... 165
Troubleshooting by Lamp Indication on Circuit Cards ................................................... 168
Troubleshooting by Contents of Complaint ..................................................................... 206
Explanation of Symbols in Troubleshooting Procedure ............................................ 207
How to Follow the “Tree” .............................................................................................. 207
Station Line Fault ........................................................................................................... 209
C.O. Line/Tie Line Fault ................................................................................................. 212
Power Failure Transfer (PFT) Fault .............................................................................. 222
D
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Fault ....................................................................................................................... 223
D
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IP Fault ................................................................................................................... 225
ATTCON Fault ................................................................................................................. 227
DSS Console Fault ......................................................................................................... 229
ATTCON Self-Test Procedure ....................................................................................... 230
CHAPTER 3 MAINTENANCE OPERATION ...................................................................... 235
SAVING PBX DATA TO YOUR PC ............................................................................. 236
SAVING D
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IP ID REGISTRATION DATA TO YOUR PC ....................................... 240
UPLOADING DATA / VERIFYING DATA .................................................................... 244
STARTING ADD-IN OR APPLICATION ON SCHEDULE ........................................... 248
JULY/01/2006
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