Nortel Networks DCT1900 manuals
Communications > Telephone
When we buy new device such as Nortel Networks DCT1900 we often through away most of the documentation but the warranty.
Very often issues with Nortel Networks DCT1900 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Telephone Nortel Networks DCT1900 is responsible for and what options to choose for expected result.
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Nortel Networks DCT1900 Manual
400 pages 3.8 Mb
3 Preface What this manual describes ... Who should use this manual ... Where to find what ... 9 Safety11 Standards and Regulations2.1 Standards and Regulations 2.2 Radio Equipment: Handsets and Base Stations 2.3 Fixed Position System Equipment: Base Stations and Radio Exchange Cabinet 15 Protection against Electrostatic Discharge (ESD)3.1 General 3.2 ESD HandlingSafety and Regulatory Information, Protection against Electrostatic Discharge (ESD) 3-2 16 PROTECT ESD SENSITIVE DEVICESb 23 System Overview37 Hardware Building Blocks39 Radio Exchange Boards 51 Other System Aspects5.1 Installation and Maintenance 5.2 Statistics 5.3 Capacity 5.3.1 Physical Limitations of the System Housed in the Modular Cabinet 5.3.2 Traffic Limitations of the System 52 5.3.3 CharacteristicsSystem Description, Other System Aspects 53 5.4 Numbering ConventionsFig. 5-2 Board, Circuit and Channel Numbering Fig.5-1 Modular Cabinet NumberingModular Cabinet number - option 1 31 24 Cabinet with CPU board 43 12 Cabinet with CPU board Modular Cabinet number - option 2 61 Portable Telephones65 Base Stations 69 Batteries73 Chargers79 Cabinets81 System Boards6.1 Digital Trunk Unit (DTUE1 CAS, CCS) - REX-BRD0002 or 2/ROFNB 157 13/1 82 6.2 Digital Trunk Unit, DTU-T1, CAS - REX-BRD0021 or 2/ROFNB 157 13/2 6.3 Digital Trunk Unit -DTUT1,CCS - REX-BRD0021 or 2/ROFNB 157 13/3 83 6.4 Central Processing Unit (CPU1) - REX-BRD0004 or 2/ROFNB 157 19/26.5 Central Processing Unit (CPU2)-REX-BRD9033, REX-BRD9034 84 6.6 Speech Link Unit, SLU - REX-BRD0015 or ROFNB 157 16/185 6.7 Speech Processing Unit, SPU-S - REX-BRD0017 or ROFNB 157 16/36.8 Cell Link Unit, CLU - REX-BRD0014 or ROFNB 157 11/2 86 6.9 Cell Link Unit, CLU-S - REX-BRD0016 or ROFNB 157 16/287 6.10 Line Termination Unit, LTU - REX-BRD0007 or ROFNB 157 02/0688 6.11 Line Termination Unit , LTU2 - REX-BRD0019A90 6.12 Digital Line Unit, DLU - REX-BRD0023 AWS1024 Meridian, AWS1025 Norstar, AWS1026 Lucent91 CHAPTER 7 Firmware (on EPROM)93 CHAPTER 8 Power Supply Units8.1 Modular Power Supply Kit - AWS 1071 (300W) New 8.2 Modular Power Supply Kit - NTM 201 1786 (300W) 8.3 Modular Power Supply Kit - NTM 201 1752 (200W) Discontinued 8.4 Remote Base Station Power Supply Kit - NTM 201 1785 8.5 Remote Base Station Plug-In Power Supply - BML 161 139 95 CHAPTER 9 Cables9.1 Cables for Modular Cabinet 99 CHAPTER 10 Software101 CHAPTER 11 Accessories-Portable Telephone111 Limitations of the System115 Base Station Planning121 Base Station Powering124 () = R RP UUU n l 131 Traffic Capacity of the System135 Relation between Parts147 General2.1 Environmental Requirements 2.2 Safety and Regulatory Information 2.3 ESD Socket 148 2.5 Equipment Verification2.6 Miscellaneous Items 2.7 Switch Room 149 Modular Cabinet Installation Steps155 Modular Cabinet REX-BAS9021 or BDVNB 101 01/2 or BDVNB 101 01/3173 CHAPTER 5 Central Processing Unit (CPU) REX-BRD0004 or 2/ROFNB 157 19/25.1 General 5.2 Board Description 181 System Boards6.1 Digital Trunk Unit (DTUE1 CAS, CCS) - REX-BRD0002 or 2/ROFNB 157 13/1 182 6.2 Digital Trunk Unit, DTU-T1, CAS - REX-BRD0021 or 2/ROFNB 157 13/2 6.3 Digital Trunk Unit -DTUT1,CCS - REX-BRD0021 or 2/ROFNB 157 13/3 183 6.4 Central Processing Unit (CPU1) - REX-BRD0004 or 2/ROFNB 157 19/26.5 Central Processing Unit (CPU2)-REX-BRD9033, REX-BRD9034 184 6.6 Speech Link Unit, SLU - REX-BRD0015 or ROFNB 157 16/1185 6.7 Speech Processing Unit, SPU-S - REX-BRD0017 or ROFNB 157 16/36.8 Cell Link Unit, CLU - REX-BRD0014 or ROFNB 157 11/2 186 6.9 Cell Link Unit, CLU-S - REX-BRD0016 or ROFNB 157 16/2187 6.10 Line Termination Unit, LTU - REX-BRD0007 or ROFNB 157 02/06188 6.11 Line Termination Unit , LTU2 - REX-BRD0019A190 6.12 Digital Line Unit, DLU - REX-BRD0023 AWS1024 Meridian, AWS1025 Norstar, AWS1026 Lucent191 CHAPTER 7 Cell Link Unit (CLU) REX-BRD0014 or ROFNB 157 11/2195 CHAPTER 8 Cell Link Unit (CLU-S) REX-BRD0016 or ROFNB 157 16/2199 CHAPTER 9 Speech Link Unit (SLU) REX-BRD0015 or ROFNB 157 16/1203 CHAPTER 10 Speech Processing Unit (SPUS) REX-BRD0017 or ROFNB 157 16/310.1 General 10.2 Board Description 10.3 Installation 205 CHAPTER 11 Digital Trunk Unit (DTUE1) REX-BRD0002 or 2/ROFNB 157 13/111.1 General 11.2 Board Description 206 11.3 InstallationInstallation Instructions, Digital Trunk Unit (DTUE1) REX-BRD0002 or 2/ROFNB 157 13/1 Fig. 102 DTUE1 REX-BRD0002 or 2/ROFNB 157 13/1 207 DTC2 DTC1209 CHAPTER 12 Digital Trunk Unit (DTU-T1, CAS) - REX-BRD0021 or 2/ROFNB 157 13/2 12.1 General 12.2 Board Description 12.3 Installation 213 CHAPTER 13 Digital Trunk Unit (DTU-T1, CCS) - REX-BRD0025 or 2/ROFNB 157 13/3 13.1 General 13.2 Board Description 13.3 Installation 217 14.1 General14.2 Board Description 14.3 Installation 219 CHAPTER 15 Digital Line Unit (DLU) - REX-BRD0023 AWS1024 Meridian, AWS1025 Norstar, AWS1026 Lucent223 CHAPTER 16 Base Station KRC 101 1371241 CHAPTER 17 Modular Cabinet Connection Board (MCCB) - ROANB 101 28247 CHAPTER 18 Synchronization Distribution Board (SDB) REX-BRD0006 or ROANB 101 38251 CHAPTER 19 Modular Cabinet Power Cabling 19.1 Introduction 19.2 Modular Cabinet - BDVNB 101 01/3 (R2, R3)Fig. 191 shows the power distribution in a Modular Cabinet powered by external -48Vdc supplies. BACKPLANE MODULAR CABINET 252 |L _ Fig. 193 Power Connections to Top of Filter Fig. 194 Power Connections on the Backplane 253 DC input/output connectors Filter Top of Filter 254 19.3 Installation258 19.4 Modular Cabinet - REX-BAS9021A/1BFigure 199 shows the power distribution in a Modular Cabinet powered by external -48Vdc supplies. Fig. 19-9 Power Distribution Powered by External -48Vdc 259 |L _ 261 19.5 Installation265 CHAPTER 20 Modular Cabinet CPU Cabling277 CHAPTER 21 Modular Cabinet CLU/SLU to Base Station Cabling289 CHAPTER 22 Modular Cabinet DTU Cabling293 CHAPTER 23 Modular Cabinet LTU Cabling297 CHAPTER 24 Modular Cabinet DLU Cabling301 CHAPTER 25 Use of TDR25.1 Introduction 25.2 Determining the Delay of Remote Base Station Cable 305 CHAPTER 26 Modular Cabinet Cables333 Synchronization Test335 Radio Coverage Verification339 Portable Telephone Test3.1 General 3.2 Portable Telephone Test 3.3 Portable Telephone Test for SMS 341 Visual Checks2.1 General 2.2 LEDs on the System Boards 2.3 Availability of all System Boards and Base Stations 343 Radio Exchange Tests349 Maintenance Philosophy1.1 Concept of Maintenance 1.2 Preventive Maintenance 351 Test and Maintenance Software361 Fault Signalling373 Service Messages377 Part Replacement383 Fault Finding Procedures399 Glossary
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