AT&T DEFINITY 7300 series Manuel d'instructions Page 241
- Page / 438
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
MAINTENANCE
Table 4-B lists the test points (-5 V, +5 V, -48 V, and GND) for the power supply.
The test points are located on the upper-right corner at the front of the cabinet.
Table 4-C lists the voltages used by the CPs and symptoms
voltages are missing. This information is useful in diagnosing
power distribution problems.
Table 4-B.
Power Supply Test Points
that occur when
power supply or
Test
Voltage
Remarks
Points
Limits
+5
+4.80
+5. 15
The green LED on the power supply
monitors this particular voltage
Ground
4-65
- AT&T 1
- CUSTOMER WARNING 3
- SERVICE TECHNICIAN WARNING 3
- APPEAR ON THE EQUIPMENT 4
- AT&T SYSTEM 25 5
- MEANS OF CONNECTION 5
- REPAIR INSTRUCTIONS 6
- HEARING AID COMPATIBILITY 7
- FCC INFORMATION 7
- FCC WARNING STATEMENT 8
- Contents 11
- SYSTEM TESTS 14
- MAINTENANCE 15
- GLOSSARY 18
- INTRODUCTION 23
- FCC PRECAUTIONS 24
- Tasks Tools Required 26
- Recommended Type 26
- ● Station Interconnect Panel 27
- ● Cables 27
- Access Equipment 28
- 617A Panel 30
- MOUNTING CENTERS 31
- WHEN FLANGES ARE 31
- OVERLAPPED 31
- Figure 2-2. 617A Panel 31
- Adapters 32
- Fanning Strip 34
- Splitter Cables 35
- Octopus Cables 36
- 8536 Adapter Cable 36
- Connector Cables 36
- Cabinet No 37
- CABLE LABELS 38
- Symbols Used in Figures 39
- PREINSTALLATION REQUIREMENTS 40
- ACCESS AREA 41
- (NOTE 5) 41
- AC Power 42
- Grounding 42
- Lightning Protection 43
- Secondary Protection 45
- INSTALL SYSTEM CABINETS 47
- Position Cabinet(s) 47
- Cabinet Contents 47
- Figure 2-10 50
- Figure 2-11 51
- Install 4A Retainer Clips 53
- Connect Cabinets 54
- Connect Power 57
- Cold Start the System 59
- Circuit Pack Type 64
- LEDs if Normal 64
- LEDs if Failed 64
- Report Problems 66
- Initialize System 67
- Figure 2-16 69
- SIP and TAE Backboard Layout 69
- Mount 858A or 2210A2 Adapters 71
- (Optimal) 73
- Stations 75
- Install Emergency 75
- Transfer Units (HUS) 75
- Connect Tie Trunks 76
- Install 77
- TRUNK CIRCUIT PACK 78
- DS1 interface is in most 80
- Customer Service 81
- Unit (CSU) 81
- TRUNK CIRCUIT PACK 82
- Modular Plug Termination 86
- Wiring Block 88
- DIW Cable 88
- Color Code 88
- Figure 2-28 89
- Circuit Pack Terminal Type 90
- Using 24 AWG Wire 90
- Figure 2-30 94
- Figure 2-31 96
- Perform SIP Housekeeping 101
- INSTALLATION 103
- Figure 2-32 103
- 10B Emergency Transfer Unit 103
- Figure 2-33 104
- Connect ETU to SIP 105
- Install Ground-Start Key 107
- INSTALL ATTENDANT CONSOLE 108
- Figure 2-35 109
- Figure 2-36 111
- INSTALL TERMINALS 112
- Label Terminals 113
- Feature Name 113
- Administration Button 113
- Button Code Label [ ]* 113
- Stand-Alone Voice Terminals 115
- Associated ADUs 117
- Figure 2-39 118
- WP90851-L1 119
- ATL Cordless Telephone 119
- (TN742 120
- TN746B in R3V2) 120
- Off-Premises-DS1 Interface 121
- Figure 2-41 122
- Stand-Alone Data Terminals 123
- LEGEND : 124
- MADU Connections 126
- INSTALL CUSTOMER’S SAT 127
- AC Outlet 127
- Nonswitched 129
- Connection of Equipment 129
- Figure 2-48 135
- INSTALL CUSTOMER’S DTU 136
- RECORDING (SMDR) EQUIPMENT 136
- ZTN84 - STARLAN INTERFACE CP 137
- - OCTOPUS CABLE ( WP90780 ) 137
- NEU - NETWORK EXPANSION UNIT 137
- Connections 138
- Series Voice Terminals 140
- Figure 2-53a. Music-on-Hold 145
- November 1995 145
- INSTALL EXTERNAL ALERTS 147
- 66-Block Term.* 103A Term 149
- Required) 151
- Pack to Paging System 156
- TEST OUTGOING TRUNKS 161
- TEST DS1 INTERFACE 161
- TEST INCOMING DID TRUNKS 162
- TEST INCOMING TIE TRUNKS 162
- TEST ATL 166
- CORDLESS TELEPHONE 166
- TEST DIAL ACCESS CODES 166
- TEST SYSTEM FEATURES 166
- ARS and SMDR Tests 166
- Access Test 167
- System Speed Dialing Test 167
- PDC Login 168
- Call Coverage Test 168
- TEST ATTENDANT CONSOLE 169
- TEST SELECTOR CONSOLE 169
- MAKE POOLED MODEM TEST CALL 171
- TEST TRANSFER TO DATA 171
- TEST DICTATION SYSTEM ACCESS 173
- TEST PAGING INTERFACE 173
- MUSIC-ON-HOLD 174
- TEST EMERGENCY TRANSFER 175
- TEST TOUCH-TONE RECEIVERS 176
- EQUIPMENT NEEDED 178
- Precautions 179
- MAINTENANCE INFORMATION 180
- System Errors and Alarms 180
- Emergency Transfer 180
- Circuit Pack LEDs 180
- Description 182
- MAINTENANCE STRATEGY 185
- Total System Failures 187
- Port Problems 187
- Common Control Problems 188
- Automatic Maintenance Tests 189
- Maintenance Failure 189
- USING THE 190
- DIGITAL TAPE UNIT 190
- Setting Up the DTU 190
- Saving Translations 191
- Verifying Translations 192
- Restoring Translations 194
- ROUTINE MAINTENANCE 196
- Removing and 198
- Restoring Power 198
- Restarting the System 199
- <RETURN>. The 202
- ERROR LOG 203
- 8. The SAT displays: 206
- ERROR MESSAGES 208
- Invalid Port Board: 215
- Protocol Error: 215
- Memory Management Corruption: 215
- Memory Management Error: Bus 216
- Received Incorrect Number of 219
- DID Digits: 219
- RIMS Insane: 219
- Service Circuit In Mismatched 219
- Clearing 223
- Figure 4-3 225
- Clearing CO Trunk Troubles 225
- Figure 4-4 226
- Figure 4-5 230
- Figure 4-6 231
- Figure 4-7 236
- Complete System Failure 237
- Common Control Trouble 237
- Circuit Pack Trouble 239
- Power Supply Trouble 240
- Figure 4-8 244
- AC Power Schematic 244
- Power Supply Protection 245
- Power Supply Replacement 246
- Fan Assembly Trouble 247
- Overheating Trouble 248
- Backplane and Cabinet Trouble 248
- Figure 4-9 250
- Figure 4-10 251
- Figure 4-11 252
- Power Designations on 252
- Cabinet Backplane 252
- Table 4-D 254
- Time-Keeping Troubles 259
- Transmission Troubles 260
- Virtual Facilities Troubles 262
- Figure 4-12 263
- Trunk Troubles 266
- Incoming Trunk Problems 267
- DID Trunks Troubles 269
- ● CO belated release 270
- Clearing Switched 274
- Console Troubles 274
- Cannot Be Diagnosed 279
- Administration Manual 281
- Implementation Manual 282
- Installation and Maintenance 282
- Reference Manual 283
- Terminal Operations Manual 283
- User Guides (700 Series) 283
- ABBREVIATIONS AND ACRONYMS 285
- Connector Pin Assignments 287
- System 25 Building Wiring 287
- Table A-A 288
- Table A-B 290
- Building Wiring 290
- Building Wiring (Contd) 291
- APPENDIX B: 292
- Parts Listing 292
- DESCRIPTlON 295
- APPARATUS CODE 295
- Software 297
- APPENDIX B: Parts Listing 298
- Cabinet Unit Power Load 302
- Add Circuit Pack 303
- Add Cabling 304
- Figure C-1 305
- Figure C-2 306
- Replace Circuit Pack 308
- Add Cabinet 309
- Add Terminal 311
- Add Trunk 312
- Add Trunk—DS1 Interface 312
- Terminal 313
- Voice/Data 313
- Add Pooled Modem Circuit Pack 314
- Add Auxiliary Equipment 314
- APPENDIX D: 315
- System Upgrades 315
- APPENDIX E: 318
- Administration Codes and 318
- OOp Attendant 335
- Table E-E 336
- 29- FLEX DSS 336
- Table E-F 337
- Table E-G 338
- Pool 100 339
- Pool 101 339
- Pool 102 339
- † Cannot be changed 339
- †Cannot be changed 340
- Table E-J 341
- MET Set Button Defaults 341
- † Read-only for STARLAN CP 343
- II Action 367
- 3 (= Save/Restore Tape) 374
- APPENDIX F: 379
- Administration Error Messages 379
- ERROR MESSAGE 405
- AND DESCRIPTION 405
- POSSIBLE SOLUTION 405
- ● Facility port (trunk port) 425
- ● Auxiliary equipment port 425
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