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Nortel 920-551 Exam Syllabus Topics:

SectionWeightObjectives
Testing, Troubleshooting and Maintenance10%- Fault diagnosis and troubleshooting
- Functional and performance testing
- Preventive maintenance procedures
Site Preparation and Installation25%- Antenna and feeder installation
- Site requirements and safety guidelines
- Mechanical installation procedures
- Power supply and grounding installation
System Overview and Architecture20%- Hardware components and modules
- GSM BTS 18000 system structure
- Network interfaces and connectivity
Commissioning and Configuration25%- Integration with BSC and core network
- Local and remote access setup
- Baseband and signaling configuration
- Radio frequency configuration
Hardware Verification and Initialization20%- Hardware status verification
- Power-on sequence and checks
- Firmware loading and initialization

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