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Nortel 920-551 Exam Syllabus Topics:

SectionObjectives
Topic 1: Operations, Maintenance, and Troubleshooting- Maintenance procedures
  • 1. Preventive maintenance tasks
    • 2. Hardware replacement guidelines
      - Alarm management
      • 1. Alarm clearing procedures
        • 2. Fault detection and interpretation
          Topic 2: Installation Procedures- Site preparation
          • 1. Rack and cabinet installation requirements
            • 2. Environmental and grounding considerations
              - Hardware installation
              • 1. BTS module installation steps
                • 2. Cabling and connector setup
                  Topic 3: Power and Transmission Systems- Transmission configuration
                  • 1. E1/Transmission link configuration
                    • 2. Backhaul connectivity setup
                      - Power system setup
                      • 1. Backup power integration
                        • 2. DC power distribution
                          Topic 4: GSM BTS 18000 System Overview- Architecture of GSM BTS 18000
                          • 1. BTS subsystems and interfaces
                            • 2. Base station components overview
                              - GSM network fundamentals
                              • 1. Radio access network principles
                                • 2. GSM channel structure basics
                                  Topic 5: Commissioning and Configuration- Radio configuration
                                  • 1. Frequency planning basics
                                    • 2. TRX configuration and activation
                                      - Software loading and initialization
                                      • 1. Initial system boot and checks
                                        • 2. BTS software installation process

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