920-551 exam dumps

Nortel 920-551 Value Package

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  • Exam Code: 920-551
  • Exam Name: GSM BTS 18000 Installation and Commissioning
  • No. of Questions: 75 Questions and Answers
  • Updated: Aug 07, 2026

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Nortel 920-551 Exam Syllabus Topics:

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

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