Nortel 920-551 : GSM BTS 18000 Installation and Commissioning
- Exam Code: 920-551
- Exam Name: GSM BTS 18000 Installation and Commissioning
- Updated: Sep 09, 2026
- Q & A: 75 Questions and Answers
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Nortel 920-551 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Site Preparation and Installation | 25% | - Power supply and grounding installation - Mechanical installation procedures - Site requirements and safety guidelines - Antenna and feeder installation |
| Commissioning and Configuration | 25% | - Integration with BSC and core network - Baseband and signaling configuration - Radio frequency configuration - Local and remote access setup |
| Hardware Verification and Initialization | 20% | - Firmware loading and initialization - Hardware status verification - Power-on sequence and checks |
| System Overview and Architecture | 20% | - Hardware components and modules - Network interfaces and connectivity - GSM BTS 18000 system structure |
| Testing, Troubleshooting and Maintenance | 10% | - Functional and performance testing - Preventive maintenance procedures - Fault diagnosis and troubleshooting |
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