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Nortel 920-551 Exam Syllabus Topics:

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

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