ADTRAN 25 - page 244

MAINTENANCE

AC DISTRIBUTION UNIT

AC CIRDVARISTOR PWB

ASSY CM 538A1 S1 SW

TO 15A

120 VAC

OUTLET

GROUND

BLOCK

Figure 4-8.

AC Power Schematic

4-68

Contents

Main Page DANGER CUSTOMER WARNING SERVICE TECHNICIAN WARNING THE FOLLOWING SYMBOLS AND PICTOGRAPHS APPEAR ON THE EQUIPMENT b FCC NOTIFICATION AND REPAIR INFORMATION AT&T SYSTEM 25 MEANS OF CONNECTION NOTIFICATION TO THE TELEPHONE COMPANY REPAIR INSTRUCTIONS RIGHTS OF THE TELEPHONE COMPANY HEARING AID COMPATIBILITY I FCC INFORMATION FCC WARNING STATEMENT Page Page Contents INTRODUCTION INSTALLATION Page Page SYSTEM TESTS MAINTENANCE Page REFERENCES ABBREVIATIONS AND ACRONYMS APPENDIX A: System Wiring APPENDIX B: Parts Listing Tables APPENDIX C: System Additions or Changes Page Figures Page Tables Page INTRODUCTION FCC PRECAUTIONS INSTALLATION TOOLS AND TEST EQUIPMENT CROSS-CONNECT EQUIPMENT DESCRIPTION Trunk Access Equipment 700A- 110-M-25 or 700A-66-B1-25 (157BF) Cut-Down Jack 10B Emergency Transfer Unit (ETU) Page Station Interconnect Panel (SIP) 617A Panel Page Adapters Page Fanning Strip Cables Splitter Cables Octopus Cables 8536 Adapter Cable DS1 Connector Cables I Figure 2-7. Cable Labels 2-14 Page PREINSTALLATION REQUIREMENTS Table and Backboard Network Interface Page AC Power Grounding Lightning Protection Page Secondary Protection II 2-21 Figure 2-9. H AC Power DistributionMultiple Cabinet System Building Wiring INSTALL SYSTEM CABINETS Position Cabinet(s) Check Cabinet Contents Page Page Page Page Required Circuit Pack Positions Label Connectors on Back Cover Page Connect Cabinets TDM Bus Connections Page Page Ground Wire Connections POWER UP AND INITIALIZE SYSTEM Connect Power Connect Administration Equipment Cold Start the System 4. 8. Page Page Check Performance of Cabinet Components Page Page Page Initialize System INSTALL CROSS-CONNECT EQUIPMENT Install TAE, 617A Panels, and Fanning Strips Figure 2-16. SIP and TAE Backboard Layout 2-45 Page Mount 858A or 2210A2 Adapters Page INSTALL MODULAR BULK POWER SUPPLY (Optimal) INSTALL EQUIPMENT ROOM TRUNK CABLING Connect Network Interfaces to TAE Blocks Page Connect Cabinets to TAE Blocks Connect Ground Start, Loop Start, and DID Trunks Connect Tie Trunks Install DS1 Page Page Off Premises Metallic (Cable) Connections Off Premises Non Metallic Connections Install Customer Service Unit (CSU) Line Compensation/Equalization Connect Coupled Bonding Conductor (CBC) Page INSTALL EQUIPMENT ROOM STATION CABLING Page Modular Plug Termination Page 4-Pair Cable Terminations Page Circuit Pack Terminal Type Distance (in feet) From Cabinets Using 24 AWG Wire Prepare Carrier Loading Labels Page Modify Octopus Cables if Required Figure 2-30. Standard and Modified Octopus Cables 2-70 Make SIP Connection for CPU/Memory I Page SIP Page Make SIP Connections for Data Terminals and Computers Make SIP Connections to Cabinet for ATL Cordless Telephones Perform SIP Housekeeping 6. INSTALL EMERGENCY TRANSFER UNITS (ETUs) Page Page Make Emergency Transfer Connections Connect Trunk Lines From Cabinet to ETU Connect Port Lines From Cabinet to ETU Connect 3:1 Splitter Cable to ETU Connect ETU to SIP Page Install Ground-Start Key INSTALL ATTENDANT CONSOLE Page 7. 8. 9. 10. 12. 13. Figure 2-36. Remotely Powered DXS Console Connection 2-86 INSTALL TERMINALS Label Terminals 2-88 Table 2-F. Feature Button Abbreviations and Labels and Page Stand-Alone Voice Terminals *- Stand-Alone Remotely Powered Voice Terminals Single-Line and 7300H Series Voice Terminals With Associated ADUs Figure 2-39. Single-Line Terminal/ADU Connections 2-93 ATL Cordless Telephone Off-Premises Stations (TN742, TN746B in R3V2) (TN742, Out-of-Building Voice Terminals TN746B in R3V2) Out-of-Building Voice Terminals (ZTN79) Off-Premises-DS1 Interface Page Stand-Alone Data Terminals Page Page MADU Connections INSTALL CUSTOMERS SAT Nonswitched Connection of Equipment Plugged Into System AC Outlet Page Nonswitched Connection of Equipment LEGEND : NOTE : DEPENDING ON EQUIPMENT, ADU MAY REQUIRE AUXILIARY POWER. On-Premises Digital Switched Connection Page Page Off-Premises Switched Connection Figure 2-48. Off-Premises Peripheral Equipment With Direct Connection to CPU/Memory 2-110 Page INSTALL STARLAN NETWORK INTERFACE Shared System 25 Voice/STARLAN NETWORK Data Connections Single-Line Voice Terminals Figure 2-50. Single-Line Analog Terminal/STARLAN NETWORK Workstation Connections 2-114 Series Voice Terminals Page INSTALL MUSIC-ON-HOLD INTERFACE FCC-Registered Music Source Interface Page Non-FCC Registered Music Source Interface Figure 2-53a. Music-on-Hold 2-119a Page INSTALL EXTERNAL ALERTS INSTALL RECORDED DELAY ANNOUNCEMENT INSTALL DICTATION SYSTEM INTERFACE INSTALL PAGING SYSTEM INTERFACE Direct Connection to TN763 Auxiliary Trunk CP * < Connection to TN763 Auxiliary Trunk CP (278A Adapter Required) Figure 2-55a. Loudspeaker Paging with Background Music November 1995 2-124a Page Page Page Page Page Page Page Page SYSTEM TESTS TEST OUTGOING TRUNKS TEST DS1 INTERFACE TEST INCOMING DID TRUNKS TEST INCOMING TIE TRUNKS TEST 7300H SERIES VOICE TERMINALS Page TEST SINGLE-LINE VOICE TERMINALS TEST ATL CORDLESS TELEPHONE TEST DIAL ACCESS CODES TEST SYSTEM FEATURES ARS and SMDR Tests Remote Access Test DGC Test System Speed Dialing Test Test PDC Login Call Coverage Test TEST ATTENDANT CONSOLE TEST SELECTOR CONSOLE TEST DATA TERMINAL DIALING FEATURE MAKE POOLED MODEM TEST CALL TEST TRANSFER TO DATA TEST EXTERNAL ALERT (NIGHT SERVICE) TEST DICTATION SYSTEM ACCESS TEST PAGING INTERFACE TEST MUSIC-ON-HOLD TEST EMERGENCY TRANSFER TEST TOUCH-TONE RECEIVERS MAINTENANCE EQUIPMENT NEEDED Precautions GENERAL MAINTENANCE INFORMATION System Errors and Alarms Emergency Transfer Circuit Pack LEDs Page Attendant Console LED Power Supply LED Switches and Test Points System Administration Terminal Remote Initialization and Maintenance (RIM) Service Page Page MAINTENANCE STRATEGY Figure 4-1. Response to System 25 Trouble Report 4-10 Total System Failures Port Problems Common Control Problems Station, Wiring, and Trunk Problems Automatic Maintenance Tests Maintenance Failure USING THE DIGITAL TAPE UNIT Setting Up the DTU Saving Translations Verifying Translations 7. . Restoring Translations Page ROUTINE MAINTENANCE Reseating and Replacing Circuit Packs Page Removing and Restoring Power Restarting the System Page Page Page ERROR LOG Page Page 6. 8. . ERROR MESSAGES Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Clearing System-Detected Troubles Complete System Failure Common Control Trouble Page Circuit Pack Trouble Frontplane Ribbon Connector Trouble (Release 1 Only) Power Supply Trouble Page x shown . A x Legend: Notes: Page Page Power Supply Protection Power Supply Replacement 8. Fan Assembly Trouble Overheating Trouble Backplane and Cabinet Trouble Page Page Page Page Page Table 4-D. 25-Pair Connector to Backplane Designations Note: TN747 is same as ZTN76 and ZTN77. TN762 is same as ZTN79. 4-78 Table 4-D. 25-Pair Connector to Backplane Designations Contd) 4-79 Figure 4-11a. 853 Adapter 4-79a Page CLEARING USER-DETECTED TROUBLES Administration Equipment Troubles 2. Time-Keeping Troubles Voice Terminal and Wiring Troubles Voice Transmission Troubles 7300H Series Terminal Troubles Virtual Facilities Troubles Page Page Page Trunk Troubles (CO) Outgoing Trunk Problems Incoming Trunk Problems 5. Error Log Interpretation: Loop-Start Trunks Error Log Interpretation: Ground-Start Trunks DID Trunks Troubles 3. 4. 5. 6. 7. 8. 9. Page Page Page Page Page Special Port Circuit Options for Stations and Trunks * Page Page Page Page Administration Manual Page Page Page ABBREVIATIONS AND ACRONYMS Page Page Table A-A. 25-Pair Connector Pin Assignments MET TN735 (Slots 1-12) ZTN79 Line Table A-A. 25-Pair Connector Pin Assignments (Contd) Analog (Slots 1-12) TN726TM742TN746BInterface TN763_ Table A-B. Building Wiring A-4 Table A-B. Building Wiring (Contd) A-5 4-Pair APPENDIX B: Parts Listing Page Page Page Page Page APPENDIX B: Parts Listing B-7 APPENDIX B: Parts Listing B-8 Page Page APPENDIX C: System Additions or Changes Evaluate I Add Circuit Pack Add Cabling Page Page APPENDIX C: System Additions or Changes Table C-B. TN760B Option Switch Settings and Administration Circumstance C-6 Co-Located Preferred Signaling Format System Replace Circuit Pack Add Cabinet Page Add Terminal Add Trunk Add TrunkDS1 Interface Replace Voice-Only Terminal With Terminal Voice/Data Add Pooled Modem Circuit Pack Add Auxiliary Equipment APPENDIX D: System Upgrades Page Page APPENDIX E: Administration Codes and Data Default Dial Code Assignments Page Page Page Page Page Page Page Page Page 100 Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page FeatureTN742, ZTN78TN763 ZTN76ZTN77 TN748 TN758 ZTN79 2101 Page Page Page Page Page Page Page Page Page Page I I Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page APPENDIX F: Administration Error Messages Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page ERROR MESSAGE AND DESCRIPTION POSSIBLE SOLUTION Page Page Page Page Page Page Page Page GLOSSARY Page Page Page Page Page Page Page Page current Page Page Page Page Page Page Page INDEX A I-1 B c D I-2 E F I-3 G H L M I-4 N O R I-5 S T I-6 I-7 U V I-8 W